2BXMY-A1XBluetooth Earphones

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Local Representative Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC IDModel name 2BXMY-A1XA1X, A1 We hereby acknowledge as follows: i.both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii.the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. iv.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. US-American Point of ContactApplicant/Approval Holder Signature Date: 2026-08-11Signature Date: 2026-08-11 Company Name:YUN GRACE TECHNOLOGIES LLC FRN:0038766598 Contact Name:Kehan Hu Address:110 3rd Avenue, Apt. 6C, New York, NY 10003, United States Phone:2035249864 Email:[email protected] YUN GRACE TECHNOLOGIES LLC 0038766598 Kehan Hu 110 3rd Avenue, Apt. 6C, New York, NY 10003, United States 2035249864 [email protected]

Page 1 of 4 FCC ID: 2BXMY-A1X External Photos Page 2 of 4 FCC ID: 2BXMY-A1X Page 3 of 4 FCC ID: 2BXMY-A1X Page 4 of 4 FCC ID: 2BXMY-A1X

Label FCC ID: 2BXMY-A1X

Page 1 of 4 FCC ID: 2BXMY-A1X Internal Photos Page 2 of 4 FCC ID: 2BXMY-A1X ANT Page 3 of 4 FCC ID: 2BXMY-A1X Page 4 of 4 FCC ID: 2BXMY-A1X

Page 1 of 7 Report No.: AiTDG-260810009FW2 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited. If there is a need to alter or revise this document, the right belongs to Dongguan Yaxu (AiT) Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. RF Exposure evaluation Product Name:Bluetooth Earphones Brand Name:YUNGRACE Model:A1X Series Model: A1 FCC ID:2BXMY-A1X Applicant:YUN GRACE TECHNOLOGIES LLC Address:110 3rd Avenue, Apt. 6C, New York, NY 10003, United States Manufacturer:Dongguan Shinecon Technology Co., LTD Address: NO.33 Shibei Road Tangli Fenggang Town, Dongguan City, Guangdong China Standard(s): 47CFR §1.1310, 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt:Jul. 31, 2026 Date of Test:Jul. 31, 2026~ Aug. 07, 2026 Issued Date:Aug. 07, 2026 Issued By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Reviewed by: Approved by: Emiya Lin Simba Huang Page 2 of 7 Report No.: AiTDG-260810009FW2 Report Revise Record Report VersionIssued DateNotes M0Aug. 07, 2026Initial Release Page 3 of 7 Report No.: AiTDG-260810009FW2 Contents 1GENERAL INFORMATION........................................................................................................................................4 1.1ENVIRONMENTAL CONDITIONS........................................................................................................................................4 1.2GENERAL DESCRIPTION OF EUT......................................................................................................................................4 1.3TEST FACILITY..............................................................................................................................................................5 1.4MEASUREMENT UNCERTAINTY........................................................................................................................................5 2METHOD OF MEASUREMENT..................................................................................................................................6 2.1APPLICABLE STANDARD.................................................................................................................................................6 2.2EVALUATION METHOD AND LIMIT...................................................................................................................................6 2.3MANUFACTURING TOLERANCE.......................................................................................................................................7 2.4EVALUATION RESULT....................................................................................................................................................7 2.5CONCLUSION...............................................................................................................................................................7 Page 4 of 7 Report No.: AiTDG-260810009FW2 1GENERAL INFORMATION 1.1Environmental conditions During the measurement the environmental conditions were within the listed ranges: Normal Temperature:25°C Relative Humidity:55 % Air Pressure:101 kPa 1.2General Description of EUT Product Name: Bluetooth Earphones Model/Type reference: A1X Serial Model: A1 Model difference All the models are electrically identical, with the same mechanical structure and design, except for differences in model names and colos. Power Ratings:DC 3.7V from battery or DC 5V from external circuit Battery: Headphone battery: 3.7V 35mAh Battery compartment battery: 3.7V 300mAh Hardware Version: DHF-D30-V1.3(7016G) Software Version:V100P06 Sample(s) Status: AiTDG-260810009-1(Normal sample) AiTDG-260810009-2(Engineer sample) Bluetooth: Supported type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: Chip antenna Antenna gain: 2.70dBi Remark: The above DUT's information was declared by manufacturer. For more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 5 of 7 Report No.: AiTDG-260810009FW2 1.3Test Facility Test Laboratory: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China The test facility is recognized, certified or accredited by the following organizations: CNAS-Registration No: L6177 Dongguan Yaxu (AiT) technology Limited is accredited to ISO/IEC 17025:2017 general Requirements for the competence of testing and calibration laboratories (CNAS-CL01 Accreditation Criteria for the competence of testing and calibration laboratories) on April 18, 2022 FCC-Registration No.: 703111 Designation Number: CN1313 Dongguan Yaxu (AiT) Technology Limited has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. IC-Registration No.: 6819A CAB identifier: CN0122 The 3m Semi-anechoic chamber of Dongguan Yaxu (AiT) Technology Limited has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 6819A A2LA-Lab Cert. No.: 6317.01 Dongguan Yaxu (AiT) Technology Limited has been accredited by A2LA for technical competence in the field of electric…

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2.4GHz1608ChipAntenna:RANT1608F245C04 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT1608F245C04 (A)(B)(C)(D)(E)(F) ElectricalSpecification DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 1.6x0.8mm( ± 0.1mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=04 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 1.60±0.10 W 0.80 ± 0.10 T 0.80 ± 0.10 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ELECTRICALCHARACTERISTICSS11 Radiation ElectricalCharacteristics Freque ncy EfficPercenGain 2400-1.6472.27%2.38 2450-1.3375.34%2.7 2500-1.5972.98%2.59 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 16087”4K/Reel 4.0±0.5 4.0±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType1608 1.90±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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz1608ChipAntenna:RANT1608F245C04 _ 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 Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen. 2.4GHz 1 6 0 8 Chip Antenna: RANT1608F245C04 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic Add:Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District, Shenzhen.

v Page 1 of 54 Report No.: AiTDG-260810009FW1 Appendix RF test data for BT v Page 2 of 54 Report No.: AiTDG-260810009FW1 1. Bandwidth 1.1 Test Result 1.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.867 / Pass 2441 DH5 1 0.873 / Pass 2480 DH5 1 0.864 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.192 / Pass 2441 2DH5 1 1.190 / Pass 2480 2DH5 1 1.188 / Pass 8DPSK SISO 2402 3DH5 1 1.190 / Pass 2441 3DH5 1 1.187 / Pass 2480 3DH5 1 1.185 / Pass 1.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.961 / Pass 2441 DH5 1 0.963 / Pass 2480 DH5 1 0.962 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.335 / Pass 2441 2DH5 1 1.333 / Pass 2480 2DH5 1 1.332 / Pass 8DPSK SISO 2402 3DH5 1 1.310 / Pass 2441 3DH5 1 1.311 / Pass 2480 3DH5 1 1.311 / Pass v Page 3 of 54 Report No.: AiTDG-260810009FW1 1.2 Test Graph 1.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV v Page 4 of 54 Report No.: AiTDG-260810009FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV v Page 5 of 54 Report No.: AiTDG-260810009FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV v Page 6 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV v Page 7 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV v Page 8 of 54 Report No.: AiTDG-260810009FW1 1.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV v Page 9 of 54 Report No.: AiTDG-260810009FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV v Page 10 of 54 Report No.: AiTDG-260810009FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV v Page 11 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV v Page 12 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV v Page 13 of 54 Report No.: AiTDG-260810009FW1 2. Maximum Conducted Output Power 2.1 Test Result 2.1.1 Power Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 0.82 <=30 Pass 2441 DH5 1.01 <=30 Pass 2480 DH5 1.08 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 2.66 <=20.97 Pass 2441 2DH5 2.83 <=20.97 Pass 2480 2DH5 2.96 <=20.97 Pass 8DPSK SISO 2402 3DH5 2.48 <=20.97 Pass 2441 3DH5 2.45 <=20.97 Pass 2480 3DH5 2.49 <=20.97 Pass Note1: Antenna Gain: Ant1: 2.70dBi; v Page 14 of 54 Report No.: AiTDG-260810009FW1 2.2 Test Graph 2.2.1 Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV v Page 15 of 54 Report No.: AiTDG-260810009FW1 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV v Page 16 of 54 Report No.: AiTDG-260810009FW1 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV v Page 17 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV v Page 18 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV v Page 19 of 54 Report No.: AiTDG-260810009FW1 3. Carrier Frequency Separation 3.1 Test Result 3.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.000 0.963 >=0.963 Pass Pi/4DQPSK SISO HOPP 2DH5 1.037 1.335 >=0.89 Pass 8DPSK SISO HOPP 3DH5 1.001 1.311 >=0.874 Pass v Page 20 of 54 Report No.: AiTDG-260810009FW1 3.2 Test Graph 3.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV v Page 21 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_HOPP_Ant1_NTNV v Page 22 of 54 Report No.: AiTDG-260810009FW1 4. Number of Hopping Frequencies 4.1 Test Result 4.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass v Page 23 of 54 Report No.: AiTDG-260810009FW1 4.2 Test Graph 4.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV v Page 24 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_HOPP_Ant1_NTNV v Page 25 of 54 Report No.: AiTDG-260810009FW1 5. Time of Occupancy (Dwell Time) 5.1 Test Result 5.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.386 31.600 320 123.520 <=400 Pass DH3 1.640 31.600 160 262.400 <=400 Pass DH5 2.890 31.600 107 309.230 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.390 31.600 320 124.800 <=400 Pass 2DH3 1.644 31.600 160 263.040 <=400 Pass 2DH5 2.890 31.600 107 309.230 <=400 Pass 8DPSK SISO HOPP 3DH1 0.392 31.600 320 125.440 <=400 Pass 3DH3 1.640 31.600 160 262.400 <=400 Pass 3DH5 2.890 31.600 106 306.340 <=400 Pass v Page 26 of 54 Report No.: AiTDG-260810009FW1 5.2 Test Graph 5.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV v Page 27 of 54 Report No.: AiTDG-260810009FW1 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV v Page 28 of 54 Report No.: AiTDG-260810009FW1 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV v Page 29 of 54 Report No.: AiTDG-260810009FW1 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV v Page 30 of 54 Report No.: AiTDG-260810009FW1 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV v Page 31 of 54 Report No.: AiTDG-260810009FW1 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV v Page 32 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV v Page 33 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV v Page 34 of 54 Report No.: AiTDG-260810009FW1 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV v Page 35 of 54 Report No.: AiTDG-260810009FW1 6. Unwanted Emissions In Non-restricted Frequency Bands 6.1 Test Result 6.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 5.85 2441 DH5 1 0.96 2480 DH…

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Page 1 of 37 Report No.: AiTDG-260810009FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. The test facility is recognized, certified, or accredited by the following organizations:  NVLAP (Lab Code: 200611-0) SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou EMC Laboratory is recognized under the National Voluntary Laboratory Accreditation Program (NVLAP/NIST). NVLAP Code: 200611-0.  ACMA SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory can also perform testing for the Australian C-Tick mark as a result of our NVLAP accreditation.  SGS UK(Certificate No.: 32), SGS-TUV SAARLAND and SGS-FIMKO Have approved SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory as a supplier of EMC TESTING SERVICES and SAFETY TESTING SERVICES.  CNAS (Lab Code: L0167) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been assessed and in compliance with CNAS-CL01:2006 accreditation criteria for testing laboratories (identical to ISO/IEC 17025:2005 General Requirements) for the Competence of Testing Laboratories.  FCC (Registration No.: 282399) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Registration 282399, May 31, 2002.  Industry Canada (Registration No.: 4620B-1) The 3m/10m Alternate Semi-anechoic chamber of SGS-CSTC Standards Technical Services Co., Ltd., has been registered by Certification and Engineering of Industry Canada for radio equipment testing with Registration No. 4620B-1. Date of Registration: February 18, 2009.Valid until February 18, 2011.  VCCI (Registration No.: R-2460 and C-2584) The 10m Semi-anechoic chamber and Shielded Room of SGS-CSTC Standards Technical Services Co., Ltd. have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-2460 and C-2584 respectively.  CBTL (Lab Code: TL129) SGS-CSTC Standards Technical Services Co., Ltd., E&E Laboratory has been assessed and fully comply with the requirements of ISO/IEC 17025:2005, the Basic Rules, IECEE 01:2006-10 and Rules of procedure IECEE 02:2006-10, and the relevant IECEE CB-Scheme Operational documents. This certificate was issued August 6, 2009 and valid until May 19, 2012. TEST REPORT Client Information: Applicant: YUN GRACE TECHNOLOGIES LLC Applicant add.: 110 3rd Avenue, Apt. 6C, New York, NY 10003, United States Manufacturer: Dongguan Shinecon Technology Co., LTD Manufacturer add.: NO.33 Shibei Road Tangli Fenggang Town, Dongguan City, Guangdong China Product Information: Product Name: Bluetooth Earphones Model No.: A1X, A1 Brand Name: YUNGRACE FCC ID: 2BXMY-A1X Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Prepared By: Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 Date of Receipt: Jul. 31, 2026Date of Test: Jul. 31, 2026~ Aug. 07, 2026 Date of Issue: Aug. 07, 2026Test Result: Pass This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Emiya Lin Simba Huang Page 2 of 37 Report No.: AiTDG-260810009FW1 Dongguan Yaxu (AiT) Technology Limited No.22, Jinqianling 3rd Street, Jitigang, Huangjiang, Dongguan, Guangdong, China. The test facility is recognized, certified, or accredited by the following organizations:  NVLAP (Lab Code: 200611-0) SGS-CSTC Standards Technical Services Co., Ltd., Guangzhou EMC Laboratory is recognized under the National Voluntary Laboratory Accreditation Program (NVLAP/NIST). NVLAP Code: 200611-0.  ACMA SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory can also perform testing for the Australian C-Tick mark as a result of our NVLAP accreditation.  SGS UK(Certificate No.: 32), SGS-TUV SAARLAND and SGS-FIMKO Have approved SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory as a supplier of EMC TESTING SERVICES and SAFETY TESTING SERVICES.  CNAS (Lab Code: L0167) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been assessed and in compliance with CNAS-CL01:2006 accreditation criteria for testing laboratories (identical to ISO/IEC 17025:2005 General Requirements) for the Competence of Testing Laboratories.  FCC (Registration No.: 282399) SGS-CSTC Standards Technical Services Co., Ltd., EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Registration 282399, May 31, 2002.  Industry Canada (Registration No.: 4620B-1) The 3m/10m Alternate Semi-anechoic chamber of SGS-CSTC Standards Technical Services Co., Ltd., has been registered by Certification and Engineering of Industry Canada for radio equipment testing with Registration No. 4620B-1. Date of Registration: February 18, 2009.Valid until February 18, 2011.  VCCI (Registration No.: R-2460 and C-2584) The 10m Semi-anechoic chamber and Shielded Room of SGS-CSTC Standards Technical Services Co., Ltd. have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-2460 and C-2584 respectively.  CBTL (Lab Code: TL129) SGS-CSTC Standards Technica…

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