2BBNW-X56X56

Shenzhen Xintu Century Technology Co., Ltd. Add: No. 5/FA, Building A1, Anle Industrial Zone,172 Hangcheng Avenue, Hangcheng Street, Baoan District, Shenzhen, China Date: 2026/3/10 FCC ID: 2BBNW-X56 Product name: X56 Model no.: X56 Dear Sir/Madam, We, Shenzhen Xintu Century Technology Co., Ltd. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of the left&right earphones are same, but the locations of components are different: Refer to the follow photos: Left Right Sincerely, Name/Title： ZhiPeng Cai/Manager Company: Shenzhen Xintu Century Technology Co., Ltd. Address: No. 5/FA, Building A1, Anle Industrial Zone,172 Hangcheng Avenue, Hangcheng Street, Baoan District, Shenzhen, China Phone: 13713727600 Fax: 13713727600 E-Mail: [email protected]

FCC ID: 2BBNW-X56 TB-RF-073-3.1 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 7 Appearance of EUT Photo 8 Appearance of EUT FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 9 Appearance of EUT

FCC ID: 2BBNW-X56 TB-RF-073-3.1 Appendix IID Label Appendix II ID Label Location FCC ID: 2BBNW-X56

FCC ID: 2BBNW-X56 TB-RF-073-3.1 Appendix IV EUT Internal Photographs Photo 10 Internal of EUT Photo 11 Internal of EUT FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 12 Internal of EUT Photo 13 Appearance of PCB & Battery FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 14 Internal of Battery Photo 15 Internal of Battery FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 16 Appearance of PCB Photo 17 Appearance of PCB Antenna Antenna FCC ID: 2BBNW-X56 TB-RF-073-3.1 Photo 18 Appearance of PCB Photo 19 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202601-0177-25 Page: 1 of 8 TB-RF-073-3.1 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Email: [email protected] www.cotecna-toby.com Maximum Permissible Exposure Evaluation FCC ID: 2BBNW-X56 Report No. : TBR-C-202601-0177-25 Applicant : Shenzhen Xintu Century Technology Co., Ltd. Equipment Under Test (EUT) EUT Name : X56 Model No. : X56 Series Model No. : ---- Brand Name : ---- Sample ID : HC-C-202601-0177-01-01-1#&HC-C-202601-0177-01-01-2# Receipt Date : 2026-01-20 Test Date : 2026-01-20 to 2026-01-30 Issue Date : 2026-01-30 Standards : FCC Part 2.1093 Test Method : KDB 447498 D01 General RF Exposure Guidance v06 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Tested By : Gold. zhang Reviewed By : Wade. Lv Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202601-0177-25 Page: 2 of 8 www.cotecna-toby.com TB-RF-073-3.1 CONTENTS CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 4 1.1 Client Information ................................................................................................................. 4 1.2 General Description of EUT (Equipment Under Test) ................................................... 4 2. MEASUREMENT UNCERTAINTY .......................................................................................... 5 3. TEST FACILITY.......................................................................................................................... 6 4. SAR TEST EXCLUSION CALCULATIONS .......................................................................... 7 Report No.: TBR-C-202601-0177-25 Page: 3 of 8 www.cotecna-toby.com TB-RF-073-3.1 Revision History Report No. Version Description Issued Date TBR-C-202601-0177-25 Rev.01 Initial issue of report 2026-01-30 Report No.: TBR-C-202601-0177-25 Page: 4 of 8 www.cotecna-toby.com TB-RF-073-3.1 1. General Information about EUT 1.1 Client Information Applicant : Shenzhen Xintu Century Technology Co., Ltd. Address : No. 5/FA, Building A1, Anle Industrial Zone,172 Hangcheng Avenue, Hangcheng Street, Baoan District, Shenzhen, China Manufacturer : Shenzhen Xintu Century Technology Co., Ltd. Address : No. 5/FA, Building A1, Anle Industrial Zone,172 Hangcheng Avenue, Hangcheng Street, Baoan District, Shenzhen, China 1.2 General Description of EUT (Equipment Under Test) EUT Name : X56 Models No. : X56 Model Different : ---- Product Description : Operation Frequency: Bluetooth V6.0: 2402MHz~2480MHz Modulation Type: GFSK(1Mbps) π/4-DQPSK(2Mbps) 8-DPSK(3Mbps) Max Antenna Gain: 2.8dBi Bipolar Antenna Power Rating : INPUT: DC 5V/200mA Power Rating (Charger Box) : DC 3.7V 230mAh 0.851Wh Rechargeable Li-ion battery Power Rating (Earphone) : DC 3.7V 30mAh 0.111Wh Rechargeable Li-ion battery Software Version : S406 Hardware Version : 6 Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. Report No.: TBR-C-202601-0177-25 Page: 5 of 8 www.cotecna-toby.com TB-RF-073-3.1 2. Measurement Uncertainty The reported uncertainty of measurement y±U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %. Test Item Parameters Expanded Uncertainty (ULab) Conducted Emission Level Accuracy: 9kHz~150kHz 150kHz to 30MHz ±3.50 dB ±3.10 dB Radiated Emission Level Accuracy: 9kHz to 30 MHz ±4.60 dB Radiated Emission Level Accuracy: 30MHz to 1000 MHz ±4.50 dB Radiated Emission Level Accuracy: Above 1000MHz ±4.20 dB RF Power-Conducted Level Accuracy: Above 1000MHz ±0.95 dB Power Spectral Density- Conducted Level Accuracy: Above 1000MHz ±3dB Occupied Bandwidth Level Accuracy: 30MHz to 1000 MHz Above 1000MHz ±3.8% Unwanted Emission- Conducted Level Accuracy: 30MHz to 1000 MHz Above 1000MHz ±2.72 dB Temperature / ±0.6°C Humidity / ±4% Supply voltages / ±2% Time / ±4% Report No.: TBR-C-202601-0177-25 Page: 6 of 8 www.cotecna-toby.com TB-RF-073-3.1 3. Test Facility The testing report were performed by the Shenzhen Toby Technology Co., Ltd., in their facilities located at 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. At the time of testing, the following bodies accredited the Laboratory: CNAS (L5813) The Laboratory has been accredited by CNAS to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the competence in the field of testing. And the Registration No.: CNAS L5813. A2LA Certificate No.: 4750.01 The laboratory has been accredited by American Association for Laboratory Accreditation(A2LA) to ISO/IEC 17025：2017 General Requirements for the Competence of Testing and Calibration Laboratories for the technical competence in the field of Electrical Testing. And the A2LA Certificate No.: 4750.01.FCC Accredited Test Site Number: 854351. Designation Number: CN1223. IC Registration No.: (11950A) The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. The site registration: Site# 11950A. CAB identifier: CN0056. Report No.: TBR-C-202601-0177-25 Page: 7 of 8 www.cotecna-toby.com TB-RF-073-3.1 4. SAR Test Exclusion Calculations 4.1 FCC: According to KDB 4…

Text truncated - open the document above for the full version.

PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-2012Specification DOCUMENT NO. 2012 SPECREV. P1 1 产品规格承认书 SPECIFICATIONS 客户: CUSTOMER: 产品名称: DESCRIPTION:Bipolarantenna 客户型号: CUSTOMERPARTNO: 产品型号: OURMODELNO: PBX2012MC03 日期: DATE: 确认签字,盖章后请返回承认书一份 PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES ApprovedAuditMaking CustomerAcknowledgesSignature Date PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-2012Specification DOCUMENT NO. 2012 SPECREV. P1 2 PBX2012C03Specification OperatingTemp.:-40°C~+85°C 1.FEATURES: ●Lightweight,compact ●Widebandwidth,lowcost ●Built-inantennawithhighgain 2. APPLICATIONS : ●Bluetooth,WirelessLAN,MobileTV ●HomeRFSystem,etc 3.PRODUCTIDENTIFICATION (1)Producttype:MultilayerchipAntenna (2)ExternalDimensions(L×W)(mm):2.0*1.2 4.SHAPEANDDIMENSIONS: SHAPEANDDIMENSIONS LWHA 2.0±0.21.2±0.20.55±0.10.4±0.1 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-2012Specification DOCUMENT NO. 2012 SPECREV. P1 3 TERMINAL-CONFIGURATION EVALUATIONBOARD APPLICATIONGUIDE PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-2012Specification DOCUMENT NO. 2012 SPECREV. P1 4 5.SPECIFICATIONS: TestltemSpecifications Bandwidth2400-2500MHz PolarizationmodeLinearpolarization *Maximumgain2.8dBi *Efficiency72.30% InputImpedance50Ω 6.ElectricalCharacteristics: VSWR MarkFrequencyVSWR 12400MHz3.04 22450MHz1.15 32500MHz2.57 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-2012Specification DOCUMENT NO. 2012 SPECREV. P1 5 RadiationPattern TheGainpatternismeasuredinINPAQ’sFAR-fieldchamber.DUTisplacedonthetableof rotator,astandardhornantennaandVectorNetworkAnalyzerisusedtocollectdata. ◎ 3DGainPattern(2400MHz-2500MHz) PengBanXingYe ShenZhen Technology Co. , Ltd Address：Room 608,Building 4,1970 Science and Technology Town,Minzhi Street,Longhua District,Shenzhen. UNLESS OTHER SPECIFIED TOLERANCES ON： X＝±X.X＝±X.XX＝ AN G L E S＝ ± H O L E D I A＝ ± PengBanXingYe ShenZhen Technology Co. , Ltd SCALE：N/AUNIT：mm THESEDRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OF PBXY TECHNOLOGY Limited AND SHALL NOT BE REPRODUCED OR USED AS THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR DEVICES WITHOUT PERMISSION DRAWN BY : SeraCHECKED BY: XD DESIGNED BY: SeraAPPROVED BY: XD TITLE：CHIP2450-2012 Specification DOCUMENT NO. 2012 SPEC REV. P1 6 ◎2D Gain Pattern (2400 MHz-2500MHz) 2D Frequency gain value XZ-PlaneYZ-PlaneXY-Plane Frequency MHz Max. Value （ dBi ） Ave. Value (dBi ） Max. Value (dBi) Ave. Value (dBi ） Max. Value (dBi) Ave. Value (dBi ） 2400 MHz 2.68 -9.26 1.75 -9.85 1.68 -9.56 2450 MHz 2.80 -6.70 1.65 -8.43 1.63 -8.17 2500 MHz 2.15 -6.66 1.56 -8.05 1.54 -7.86 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-2012Specification DOCUMENT NO. 2012 SPECREV. P1 7 EnvironmentalCharacteristics (1)ReliabilityTest (2)StorageCondition (a)Atwarehouse: Thetemperatureshouldbewithin0~30°Candhumidityshouldbelessthan60%RH Theproductshouldbeusedwithin1yearfromthetimeofdelivery. (b)Onboard: Thetemperatureshouldbewithin-40~85°Candhumidityshouldbelessthan85%RH. (3)OperatingTemperatureRange Operatingtemperaturerange:-40°Cto+105°C. RecommendedReflowSoldering PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhen…

Text truncated - open the document above for the full version.

Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 1 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 RF Test Data for Bluetooth (BR+EDR) (Conducted Measurements) General Description of EUT EUT Name: X56 Model: X56 Sample ID: HC-C-202601-0177-01-01-2# Test Standard: FCC Part 15.247 Environmental Conditions Ambient Temperature: 25°C Ambient Humidity: 45%RH Test Power Supply: DC 3.7V Test Engineer: Gold. zhang Note: For a more detailed features description, please refer to the report TBR-C-202601-0177-26 Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 2 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 Contents 1: 20dB Emission Bandwidth ......................................................................................................................... 3 1.1 Test Result ..................................................................................................................................... 3 1.2 Test Graphs ................................................................................................................................... 4 2: Occupied Channel Bandwidth ................................................................................................................... 6 2.1 Test Result ..................................................................................................................................... 6 2.2 Test Graphs ................................................................................................................................... 7 3: Maximum conducted output power ......................................................................................................... 9 3.1 Test Result Peak ........................................................................................................................... 9 3.2 Test Graphs ................................................................................................................................. 10 3.3 Test Result Peak ......................................................................................................................... 12 3.4 Test Graphs ................................................................................................................................. 13 4: Carrier frequency separation ................................................................................................................... 15 4.1 Test Result ................................................................................................................................... 15 4.2 Test Graphs ................................................................................................................................. 16 5: Time of occupancy ................................................................................................................................... 17 5.1 Test Result ................................................................................................................................... 17 5.2 Test Graphs ................................................................................................................................. 18 6: Number of hopping channels .................................................................................................................. 21 6.1 Test Result ................................................................................................................................... 21 6.2 Test Graphs ................................................................................................................................. 22 7: Band edge measurements ....................................................................................................................... 23 7.1 Test Result ................................................................................................................................... 23 7.2 Test Graphs ................................................................................................................................. 24 8: Conducted Spurious Emission ................................................................................................................. 26 8.1 Test Result ................................................................................................................................... 26 8.2 Test Graphs ................................................................................................................................. 27 9: Duty Cycle ................................................................................................................................................ 32 9.1 Test Result ................................................................................................................................... 32 9.2 Test Graphs ................................................................................................................................. 33 10: Emissions in Restricted Bands ............................................................................................................... 35 10.1 Test Result................................................................................................................................. 35 10.2 Test Graphs ............................................................................................................................... 36 Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 3 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 1: 20dB Emission B…

Text truncated - open the document above for the full version.

Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 30 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 3DH5-Ant1-2402-0~Reference-PASS 3DH5-Ant1-2402-30~1000-PASS 3DH5-Ant1-2402-1000~26500-PASS 3DH5-Ant1-2441-0~Reference-PASS 3DH5-Ant1-2441-30~1000-PASS 3DH5-Ant1-2441-1000~26500-PASS Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 31 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 3DH5-Ant1-2480-0~Reference-PASS 3DH5-Ant1-2480-30~1000-PASS 3DH5-Ant1-2480-1000~26500-PASS Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 32 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 9: Duty Cycle 9.1 Test Result TestMode Antenna Frequency [MHz] Transmission Duration [ms] Transmission Period [ms] Duty Cycle [%] DC Factor 1/T [kHz] DH5 Ant1 2402 2.91 3.75 77.60 1.10 0.34 DH5 Ant1 2441 2.91 3.75 77.60 1.10 0.34 DH5 Ant1 2480 2.92 3.76 77.66 1.10 0.34 2DH5 Ant1 2402 2.92 3.75 77.87 1.09 0.34 2DH5 Ant1 2441 2.92 3.76 77.66 1.10 0.34 2DH5 Ant1 2480 2.91 3.75 77.60 1.10 0.34 3DH5 Ant1 2402 2.92 3.75 77.87 1.09 0.34 3DH5 Ant1 2441 2.92 3.75 77.87 1.09 0.34 3DH5 Ant1 2480 2.93 3.76 77.93 1.08 0.34 Note: 1, Duty Cycle= Transmission Duration/ Transmission Period 2, DC Factor=10*Log 10 (1/Duty Cycle) 3, 1/T=1/ Transmission Duration Both headphones were tested, and only the worst mode was recorded.(Left Earphone) Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 33 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 9.2 Test Graphs NTNV-DH5-Ant1-2402 NTNV-DH5-Ant1-2441 NTNV-DH5-Ant1-2480 NTNV-2DH5-Ant1-2402 NTNV-2DH5-Ant1-2441 NTNV-2DH5-Ant1-2480 Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 34 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 NTNV-3DH5-Ant1-2402 NTNV-3DH5-Ant1-2441 NTNV-3DH5-Ant1-2480 Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 35 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 10: Emissions in Restricted Bands 10.1 Test Result Test Mode Antenna ChName Frequency [MHz] Detector Freq [MHz] Result [dBm] Limit [dBm] Result [dBuV/m] Limit [dBuV/m] Verdict DH5 Ant1 Low 2402 Peak 2390.000 -55.7 ≤-21.20 39.50 ≤74 PASS DH5 Ant1 Low 2402 Peak 2310.000 -55.98 ≤-21.20 39.22 ≤74 PASS DH5 Ant1 Low 2402 Peak 2340.022 -51.4 ≤-21.20 43.80 ≤74 PASS DH5 Ant1 Low 2402 AV 2390.000 -62.75 ≤-41.20 32.45 ≤54 PASS DH5 Ant1 Low 2402 AV 2310.000 -62.36 ≤-41.20 32.84 ≤54 PASS DH5 Ant1 Low 2402 AV 2342.304 -59.16 ≤-41.20 36.04 ≤54 PASS DH5 Ant1 High 2480 Peak 2483.500 -51.49 ≤-21.20 43.71 ≤74 PASS DH5 Ant1 High 2480 Peak 2500.000 -53.97 ≤-21.20 41.23 ≤74 PASS DH5 Ant1 High 2480 Peak 2484.145 -49.67 ≤-21.20 45.53 ≤74 PASS DH5 Ant1 High 2480 AV 2483.500 -57.8 ≤-41.20 37.40 ≤54 PASS DH5 Ant1 High 2480 AV 2500.000 -62.13 ≤-41.20 33.07 ≤54 PASS DH5 Ant1 High 2480 AV 2483.565 -57.99 ≤-41.20 37.21 ≤54 PASS 2DH5 Ant1 Low 2402 Peak 2390.000 -54.14 ≤-21.20 41.06 ≤74 PASS 2DH5 Ant1 Low 2402 Peak 2310.000 -54.59 ≤-21.20 40.61 ≤74 PASS 2DH5 Ant1 Low 2402 Peak 2355.087 -51.98 ≤-21.20 43.22 ≤74 PASS 2DH5 Ant1 Low 2402 AV 2390.000 -61.55 ≤-41.20 33.65 ≤54 PASS 2DH5 Ant1 Low 2402 AV 2310.000 -62.56 ≤-41.20 32.64 ≤54 PASS 2DH5 Ant1 Low 2402 AV 2340.022 -59.15 ≤-41.20 36.05 ≤54 PASS 2DH5 Ant1 High 2480 Peak 2483.500 -49.86 ≤-21.20 45.34 ≤74 PASS 2DH5 Ant1 High 2480 Peak 2500.000 -56.14 ≤-21.20 39.06 ≤74 PASS 2DH5 Ant1 High 2480 Peak 2483.797 -49.28 ≤-21.20 45.92 ≤74 PASS 2DH5 Ant1 High 2480 AV 2483.500 -56.22 ≤-41.20 38.98 ≤54 PASS 2DH5 Ant1 High 2480 AV 2500.000 -61.94 ≤-41.20 33.26 ≤54 PASS 2DH5 Ant1 High 2480 AV 2483.565 -56.33 ≤-41.20 38.87 ≤54 PASS 3DH5 Ant1 Low 2402 Peak 2390.000 -55.69 ≤-21.20 39.51 ≤74 PASS 3DH5 Ant1 Low 2402 Peak 2310.000 -54.19 ≤-21.20 41.01 ≤74 PASS 3DH5 Ant1 Low 2402 Peak 2340.022 -49.99 ≤-21.20 45.21 ≤74 PASS 3DH5 Ant1 Low 2402 AV 2390.000 -62.47 ≤-41.20 32.73 ≤54 PASS 3DH5 Ant1 Low 2402 AV 2310.000 -62.75 ≤-41.20 32.45 ≤54 PASS 3DH5 Ant1 Low 2402 AV 2341.239 -59.56 ≤-41.20 35.64 ≤54 PASS 3DH5 Ant1 High 2480 Peak 2483.500 -48.93 ≤-21.20 46.27 ≤74 PASS 3DH5 Ant1 High 2480 Peak 2500.000 -54.34 ≤-21.20 40.86 ≤74 PASS 3DH5 Ant1 High 2480 Peak 2484.145 -49.32 ≤-21.20 45.88 ≤74 PASS 3DH5 Ant1 High 2480 AV 2483.500 -56.13 ≤-41.20 39.07 ≤54 PASS 3DH5 Ant1 High 2480 AV 2500.000 -61.85 ≤-41.20 33.35 ≤54 PASS 3DH5 Ant1 High 2480 AV 2483.565 -56.34 ≤-41.20 38.86 ≤54 PASS Note： 1. The Antenna Gain is compensated in the graph. 2. The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 3. Both headphones were tested, and only the worst mode was recorded.(Left Earphone) Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202601-0177-26 Page: 36 of 37 FCC ID: 2BBNW-X56 TB-RF-073-3.1 10.2 Test Graphs DH5-Ant1-2402-PASS DH5-Ant1-2402-PASS DH5-Ant1-2480-PASS DH5-Ant1-2480-PASS 2DH5-Ant1-2402-PASS 2DH5-Ant1-2402-PASS Shenzhen Toby Technology Co., Ltd. Http:// www.cotecna-toby.com Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang…

Text truncated - open the document above for the full version.

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202601-0177-26 Page: 1 of 43 TB-RF-073-3.1 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Email: [email protected] www.cotecna-toby.com RF Test Report FCC ID: 2BBNW-X56 Report No. : TBR-C-202601-0177-26 Applicant : Shenzhen Xintu Century Technology Co., Ltd. Equipment Under Test (EUT) EUT Name : X56 Model No. : X56 Series Model No. : ---- Brand Name : ---- Sample ID : HC-C-202601-0177-01-01-1#&HC-C-202601-0177-01-01-2# Receipt Date : 2026-01-20 Test Date : 2026-01-20 to 2026-01-30 Issue Date : 2026-01-30 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10:2020+Cor.1:2023 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Tested By : Gold. zhang Reviewed By : Wade. Lv Approved By : Ivan Su This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202601-0177-26 Page: 2 of 43 www.cotecna-toby.com TB-RF-073-3.1 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 6 1.1 Client Information ................................................................................................................. 6 1.2 General Description of EUT (Equipment Under Test) ................................................... 6 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 8 1.4 Description of Support Units .............................................................................................. 8 1.5 Description of Test Mode .................................................................................................... 9 1.6 Description of Test Software Setting .............................................................................. 10 1.7 Measurement Uncertainty ................................................................................................ 11 1.8 Test Facility ......................................................................................................................... 12 2. TEST SUMMARY ..................................................................................................................... 13 3. TEST SOFTWARE ................................................................................................................... 13 4. TEST EQUIPMENT AND TEST SITE ................................................................................... 14 5. CONDUCTED EMISSION ....................................................................................................... 16 5.1 Test Standard and Limit .................................................................................................... 16 5.2 Test Setup ........................................................................................................................... 16 5.3 Test Procedure ................................................................................................................... 16 5.4 Deviation From Test Standard ......................................................................................... 17 5.5 EUT Operating Mode ........................................................................................................ 17 5.6 Test Data ............................................................................................................................. 17 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 18 6.1 Test Standard and Limit .................................................................................................…

Text truncated - open the document above for the full version.