2A9CD-PROWireless headset

headset   Wireless version: V5.3 Battery specification: Headset 3 .7V Supported Modes: HFP/HSP/ A2DP/AVRCP Sensitivity: 105dB±3dB S.PL at 1KHz Signal distance: Standby time: approx. 80 hours Charging time: Number of times charging the headset from the charging compartment: about 2 times 10 meters (in an ideal environment without any large obstacles) approx. 1 hour for the charging compartment and 1 hour for the headphones   1. Power on Take the headset out of the charging compartment and turn it on automatically or long touch the left and right headset multi-function keys for 3 seconds to turn it on. 2. Shutdown Put the headset into the charging compartment automatically shut down long touch the left and right headset multi-function keys for 5 seconds to shut down. 8.Last Number Redial When you are on standby or playing music, triple-click the multi-function area of the left headset to dial the last dialed phone number in your call history. of the secondary ear, and play the pairing mode successful beeps at the same time. compartment and one end into the charger to charge the charging compartment, and the charger should use a standard 5V1A charger to charge the charging compartment. 2. Charge the headset: put the headset into the charging compartment to automatically charge, the headset indicator will light up when charging, and turn off when fully charged; 1. Please charge in a safe environment. When charging the charging compartment, separate the charging compartment from the charger as soon as possible to avoid damage to the charging compartment if it is left plugged in for a long time. 2. When playing music, please adjust the music to the appropriate volume level to avoid long-term hearing damage caused by loud music. 3. Try to avoid using the headset in places with interference sources, otherwise it may have an impact on the headset signal. 4. Try to avoid using the headset in a corrosive environment, so as not to affect the function of the headset. 9.Start voice assistant You can start Apple Siri or Google voice assistant to control your cell phone by voice. 10.Low Battery Alert When the headset battery is low, it will play the low battery tone once every 60 seconds until the headset is turned off with low battery. 1.Remove the headset from the charging compartment or press and hold the multi-function area of the left and right headset for 3 seconds at the same time to turn on the headset, until the indicator light blinks alternately to enter the pairing state, enter the pairing state, enter the pairing mode, the pairing mode is automatic, the pairing mode is successful, the indicator light of the main ear blinks alternately to extinguish the indicator light 3. Power on and connect After successful pairing, the second time you turn on the Bluetooth headset, it will enter the reconnect state and automatically reconnect to the cell phone it has been connected to. 4.Play/Pause In standby mode, click the left and right headset multi-function area can directly play music, click the left and right headset multi-function area can pause the playback. 5.Answer incoming calls When the cell phone calls, click the left and right headset multi-function keys can answer the call. 6. Hang up When the cell phone is talking, click the multi-function area of the left and right headsets to hang up the phone. 7.Call Rejection When the cell phone call, long press the left and right headset multi-function keys for 2 seconds can reject the call.         Normal pairing method 2. Start the wireless function of the cell phone or other devices, if it is an Android system cell phone or device, please click on the cell phone "search for wireless devices" option, if it is an OS system cell phone or device, it will automatically search for the device; when searching for the model of the wireless headset, click on the pairing; when the pairing is successful, the headset will emit a connecting beep, and the left and right headset indicator lights flash alternately. When the pairing is successful, the headset will emit a successful connection tone, and the left and right headset indicator lights will go out, entering the connection standby state, after successful pairing, the right ear will be the right channel, and the left ear will be the left channel. The right ear will be the right channel and the left ear will be the left channel after successful pairing. The two headsets can also be paired with the cell phone individually, the operation method can be operated according to the operation method in step 2 above. 1. Plug one end of the charging cable into the charging                  PRO FCC Warnning: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing measures: •Reorient or relocate the receiving antenna. •Increase the separation between the equipment and receiver. •Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. •Consult the dealer or an experienced radio/TV technicia…

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Shenzhen Senyang Zhiyuan Technology Co., Ltd 505, Floor 5, West Block, Building 405, Sanda Industrial Zone, Futian District, Shenzhen, China. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-11-4 U.S. Agent Designation Shenzhen Senyang Zhiyuan Technology Co., Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2A9CD-PRO): Name and company of U.S. agent: ACT Lab LLC Physical U.S. address of agent: 3280 East 59th Street Long Beach, CA 90805 United States FRN of U.S. agent: 0033465568 Email address of U.S. agent: [email protected] ACT Lab LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Senyang Zhiyuan Technology Co., Ltd. Shenzhen Senyang Zhiyuan Technology Co., Ltd with the FRN [0033079344] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Dandan hu Manager Shenzhen Senyang Zhiyuan Technology Co., Ltd Signature Scott Huber Senior Technical Director ACT Lab LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

Sincerely, Name/Title： Dandan hu/Manager Company: Shenzhen Senyang Zhiyuan Technology Co., Ltd Address: 505, Floor 5, West Block, Building 405, Sanda Industrial Zone, Futian District, Shenzhen, China. Phone: 13410791236 Fax: N/A E-Mail: [email protected]

FCC ID: 2A9CD-PRO TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 7 Appearance of EUT

FCC ID: 2A9CD-PRO TB-RF-074-1.0 Appendix IID Label Appendix II ID Label Location Wireless headset FCC ID: 2A9CD-PRO Model: PRO

FCC ID: 2A9CD-PRO TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 8 Internal of EUT Photo 9 Internal of EUT FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 10 Appearance of PCB & Battery Photo 11 Appearance of PCB & Battery FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 12 Internal of EUT Photo 13 Appearance of Battery FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 14 Appearance of PCB Photo 15 Appearance of PCB FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo 16 Appearance of PCB Antenna

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202310-0175-9 Page: 1 of 3 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2A9CD-PRO 1. Client Information Applicant : Shenzhen Senyang Zhiyuan Technology Co., Ltd Address : 505, Floor 5, West Block, Building 405, Sanda Industrial Zone, Futian District, Shenzhen, China. Manufacturer : Shenzhen Senyang Zhiyuan Technology Co., Ltd Address : No. 18, Lane 18, Beiyuan, Mei2, Huicheng Town, Huilai County, Jieyang City, Guangdong Province, China. 2. General Description of EUT EUT Name : Wireless headset Model(s) No. : PRO, TWS, PRO1, PRO2, PRO3, PRO4, PRO5, PRO6, PRO7, PRO8, PRO9, Txx, Hxx ("x" represents any number 0-9 or blank. It only represents different models due to different appearance and sales strategies) Brand Name : 爱得仕/EDS EIDESS/ZAHIFISY/YQHYDTYLDS/ NEW SENYANG/EIDESS/WOSD/AIHUZTSY/ YIQIHIFISY/QiSiMiaoX Model Different : All PCB boards and circuit diagrams are the same, the only difference is that appearance and packaging. Sample ID : 202310-0175-5-1# & 202310-0175-5-2# Product Description : Operation Frequency: Bluetooth 5.3: 2402MHz~2480MHz Number of Channel: BT: 79 channels BLE: 40 channels Antenna Gain: 1.24dBi Chip Antenna Power Rating (Earphone) : Input: DC 5V/1A DC 3.7V by 180mAh Rechargeable Li-ion battery Power Rating (Charger Box) : DC 3.7V by 25mAh Rechargeable Li-ion battery Software Version : ---- Hardware Version : ---- Remark: The antenna gain provided by the applicant, the adapter and verified for the RF conduction test and adapter provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TBR-C-202310-0175-9 Page: 2 of 3 TB-RF-074-1.0 The RF Exposure Evaluation for FCC: SAR Test Exclusion Calculations FCC: According to 447498 D04 Interim General RF Exposure Guidance v01. The SAR-based exemption formula of § 1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold P th (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). P th is given by Formula (B.2). and f is in GHz, d is the separation distance (cm), and ERP 20cm is per Formula (B.1). The example values shown in Table B.2 are for illustration only. Table B.2—Example Power Thresholds (mW) Report No.: TBR-C-202310-0175-9 Page: 3 of 3 TB-RF-074-1.0 Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mW) Limit P th (mW) 2.402 0.059 0±1 1 1.259 3 2.441 -0.939 -1±1 0 1.000 3 2.480 -2.989 -3±1 -2 0.631 3 Bluetooth Mode (π/4-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Limit P th (mW) 2.402 0.318 0±1 1 1.259 3 2.441 0.261 0±1 1 1.259 3 2.480 -0.69 -1±1 0 1.000 3 Bluetooth LE Mode (1Mbps) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Limit P th (mW) 2.402 -2.208 -2±1 -1 0.794 3 2.440 -2.793 -3±1 -2 0.631 3 2.480 -3.783 -4±1 -3 0.501 3 Bluetooth LE Mode (2Mbps) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Limit P th (mW) 2.402 -1.943 -2±1 -1 0.794 3 2.440 -2.432 -2±1 -1 0.794 3 2.480 -3.442 -3±1 -2 0.631 3 The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 D04, No SAR is required. -----END OF THE REPORT-----

2.4 GHz 3216 Chip Antenna: RANT 3216F245X0 Application: WLAN,802.11b/g,Bluetooth,WLAN,etc ... Features SMD,high reliability,ultra Impact,Omni-directional... Part numberInformation RANT3216F245X02 (A)(B)(C)(D)(E)(F) (A)ProductType Chip Antenna (B) Size Code 3.2x1.6mm(±0.2mm) (C) Material HighK material (D) Frequency 2.4 ~ 2.5GHz (E) FeedingmodePIFA& SingleFeeding (F) Antennatype Type=01 ElectricalSpecification WorkingFrequencyRange2400~2500MHz Bandwidth 120 MHz(Min.) PeakGain 1.24 dBi (Typ.) Impedance 50 Ohm Returnloss 10 dB ( Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature(°C) -40 ~85°C Resistanceto SolderingHeats 10sec.( @ 280°C) Termination Ni / Au (Leadless) The specificationis definedon EVB. Dimensionand TerminalConfiguration Dimension(mm) L 3.20±0.20 W 1.60 ± 0.20 T 0.45 ± 0.20 咏成國際科技有限公司 RAINInternationalTechnologyCo., Ltd. 電話: 13530576606 TEL: 13530576606 No.TerminalName 1 Feeding/GNG 2 GND/Feeding 2.4GHz3216ChipAntenna:RANT3216F245X0 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss 1 Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation 2400MHz 2450MHz 2500MHz 2400MHz2450MHz2500MHz Efficiency 82.52%85.26%83.01% PeakGain1.15dBi1.24dBi1.19dBi Directivity 1.89dBi1.97dBi1.91dBi 2.4GHz3216ChipAntenna:RANT3216F245X0 TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 3216 7” 5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEF G HTψDP PaperType32161.90±0.203.50±0.208.0±0.201.75±0.103.5±0.054.0±0.102.0±0.050.75±0.10 1.50±0.10 4.0±0.1 2.4GHz3216ChipAntenna:RANT3216F245X0 ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage. MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage. MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106

Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 1 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 RF Test Data for Bluetooth(BR+EDR) (Conducted Measurements) General Description of EUT Product Name: Wireless headset Test Model: PRO Sample ID: 202310-0175-5-2# Environmental Conditions Temperature: 25°C Relative Humidity: 55% Test Voltage: DC 3.7V Test Engineer: Zhang Chen Xi Note: For a more detailed features description, please refer to the report TBR-C-202310-0175-7 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 2 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 Contents 1. Duty Cycle ........................................................................................................................................................................................... 3 2. Maximum Conducted Output Power ................................................................................................................................................. 7 3. -20dB Bandwidth .............................................................................................................................................................................. 11 4. Occupied Channel Bandwidth ......................................................................................................................................................... 15 5. Band Edge ........................................................................................................................................................................................ 19 6. Band Edge(Hopping) ........................................................................................................................................................................ 24 7. Conducted RF Spurious Emission .................................................................................................................................................. 29 8. Restrict Band .................................................................................................................................................................................... 36 9. Carrier Frequencies Separation....................................................................................................................................................... 41 10. Number of Hopping Channel ......................................................................................................................................................... 43 11. Dwell Time ....................................................................................................................................................................................... 45 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 3 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 1. Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT 1-DH1 2402 Ant1 30.4 5.17 2.63 NVNT 1-DH1 2441 Ant1 30.4 5.17 2.63 NVNT 1-DH1 2480 Ant1 30.4 5.17 2.63 NVNT 2-DH1 2402 Ant1 32 4.95 2.50 NVNT 2-DH1 2441 Ant1 31.2 5.06 2.56 NVNT 2-DH1 2480 Ant1 31.2 5.06 2.56 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 4 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 Test Graphs Duty Cycle NVNT 1-DH1 2402MHz Ant1 Duty Cycle NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 5 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 Duty Cycle NVNT 1-DH1 2480MHz Ant1 Duty Cycle NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 6 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 Duty Cycle NVNT 2-DH1 2441MHz Ant1 Duty Cycle NVNT 2-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 7 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 2. Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 Ant1 0.059 21 Pass NVNT 1-DH1 2441 Ant1 -0.939 21 Pass NVNT 1-DH1 2480 Ant1 -2.989 21 Pass NVNT 2-DH1 2402 Ant1 0.318 21 Pass NVNT 2-DH1 2441 Ant1 0.261 21 Pass NVNT 2-DH1 2480 Ant1 -0.690 21 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 8 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 Test Graphs Power NVNT 1-DH1 2402MHz Ant1 Power NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 9 of 48 FCC ID: 2A9CD-PRO TB-RF-074-1.0 Power NVNT 1-DH1 2480MHz Ant1 Power NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202310-0175-7 Page: 1…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202310-0175-7 Page: 1 of 46 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Test Report FCC ID: 2A9CD-PRO Report No. : TBR-C-202310-0175-7 Applicant : Shenzhen Senyang Zhiyuan Technology Co., Ltd Equipment Under Test (EUT) EUT Name : Wireless headset Model No. : PRO Series Model No. : Please refer to page 6 Brand Name : 爱得仕/EDS EIDESS/ZAHIFISY/YQHYDTYLDS/ NEW SENYANG/EIDESS/WOSD/AIHUZTSY/ YIQIHIFISY/QiSiMiaoX Sample ID : 202310-0175-5-1# & 202310-0175-5-2# Receipt Date : 2023-10-23 Test Date : 2023-10-23 to 2023-11-01 Issue Date : 2023-11-01 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Wade. Lv Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai 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-202310-0175-7 Page: 2 of 46 TB-RF-074-1.0 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 ...................................... 9 1.4 Description of Support Units .............................................................................................. 9 1.5 Description of Test Mode .................................................................................................. 10 1.6 Description of Test Software Setting .............................................................................. 11 1.7 Measurement Uncertainty ................................................................................................ 11 1.8 Test Facility ......................................................................................................................... 12 2. TEST SUMMARY ..................................................................................................................... 13 3. TEST SOFTWARE ................................................................................................................... 13 4. TEST EQUIPMENT .................................................................................................................. 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 .................................................................................................... 18 6.2 Test Setup ........................................................................................................................... 20 6.3 Test Procedure ................................................................................................................... 21 6.4 Deviation From Test Standard ......................................................................................... 22 6.5 EUT Operating Mode ........................................................................................................ 22 6.6 Test Data ............................................................................................................................. 22 7. EMISSIONS IN RESTRICTED BANDS ............................................................................... 23 7.1 Test Standard and Limit .................................................................................................... 23 7.2 Test Setup ........................................................................................................................... 23 7.3 Test Procedure ................................................................................................................... 24 Report No.: TBR-C-202310-0175-7 Page: 3 of 46 TB-RF-074-1.0 7.4 Deviation From Test Standard ......................................................................................... 25 7.5 EUT Operating Mode ........................................................................................................ 25 7.6 Test Data ............................................................................................................................. 25 8. 99% OCCUPIED AND 20DB BANDWIDTH ........................................................…

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FCC ID: 2A9CD-PRO TB-RF-074-1.0 Appendix V EUT Test Photographs Photo of Setup for Radiated Emission (Below 1 GHz) Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID: 2A9CD-PRO TB-RF-074-1.0 Photo of Setup for Conducted Emission -----END OF THE REPORT-----