2AP8A-AI5102Noise Cancelling Over Ear Wireless Headphones

Section Company n Address: 30 District, Sh Product N a FCC ID: 2A Model(s): A AI5102-RG 2.911(d)(5 ) We, [Shen z authorizatio  Pro  Ide n Yours sinc e Name: Ms A Title: Man a Company n Signature: NOTE 1 “Covered List https://www.f c References; 1) 986446 D 0 https://apps.fc 2) Federal R e https://www.fe munications-s 2.911(d) name: Shen 01, No. 2, L enzhen, Gu ame: Noise AP8A-AI510 AI5102, P1, G-T37, AI510 )(i) Equipm zhen D-fast on is sough hibited fro m ntified as an erely, Abby ager name: Shen ”; is the List o cc.gov/supplyc 01 Covered Eq cc.gov/oetcf/kd egister docume ederalregister. supply-chain-t Shenzh )(5)(i) Ce nzhen D-fas Langwei So uangdong, 5 Cancelling 02 AI5102-BL 02-MCT-T3 ment Type t Te c h n o l o gy t through ce m receiving n equipmen nzhen D-fas of Equipment a chain/covered quipment v01 db/forms/FTS ent 2022-2826 gov/documen hrough-the hen D-fa ertificatio st Technolog uth Third La 518118, Ch Over Ear W K-T37, AI51 7 y Co.LTD] ( ertification i an equipm e nt type in the st Technolog and Services C list SearchResul t 63 published o nts/2023/02/06 ast Tech on – Equi gy Co.LTD ane, Liulian ina Wireless He 102-BUR-T (“the applica s not: ent authoriz e “Covered gy Co.LTD Covered By S tPage.cfm?sw on 02/06/23 6/2022-28263/ nology C 2. ipment T n Communit adphones 37, AI5102 - ant”) certify zation pursu List” NOTE 1 ection 2 of Th witch=P&id=32 /protecting-ag Co.LTD 911 (d)(5)(i) Eq Type ty, Ping shan -BST-T37, A that the eq uant to § 2.9 Date: S e Secure Netw 5672 ainst-national- quipment Type A n Street, Pin AI5102-WH uipment fo r 903; of the F Sept. 25, 20 works Act, ava -security-threa Attestation v1.2 ngshan T-T37, r which FCC rules. 024 ailable at ats-to-the-com 2 m

Section Company n Address: 30 District, Sh Product N a FCC ID: 2A Model(s): A AI5102-RG 2.911(d)(5 ) We, [Shenz the applica to §1.5000 2 Yours sinc e Name: Ms A Title: Man a Company n Signature: NOTE 1 Delete option NOTE 2 “Covered List https://www.f c References; 1) 986446 D 0 https://apps.fc 2) Federal R e https://www.fe munications-s 2.911(d) name: Shen 01, No. 2, L enzhen, Gu ame: Noise AP8A-AI510 AI5102, P1, G-T37, AI510 )(ii) Applica zhen D-fast tion, the ap 2 of this cha erely, Abby ager name: Shen not applicable ”; is the List o cc.gov/supplyc 01 Covered Eq cc.gov/oetcf/kd egister docume ederalregister. supply-chain-t Shenzh )(5)(ii) Ce nzhen D-fas Langwei So uangdong, 5 Cancelling 02 AI5102-BL 02-MCT-T3 ant filing t Te c h n o l o gy plicant is no apter, as an nzhen D-fas e to this applic of Equipment a chain/covered quipment v01 db/forms/FTS ent 2022-2826 gov/documen hrough-the hen D-fa ertificatio st Technolog uth Third La 518118, Ch Over Ear W K-T37, AI51 7 y Co.LTD] ( ot identifie n entity prod st Technolog cation. and Services C list SearchResul t 63 published o nts/2023/02/06 ast Tech on – App gy Co.LTD ane, Liulian ina Wireless He 102-BUR-T3 (“the applica ed NOTE 1 on th ducing cove gy Co.LTD Covered By S tPage.cfm?sw on 02/06/23 6/2022-28263/ nology C plicant (C n Communit adphones 37, AI5102- ant”) certify he “Covered ered commu ection 2 of Th witch=P&id=32 /protecting-ag Co.LTD 2.911 (d)(5 Covered L ty, Ping shan -BST-T37, A that, as of d List” NOTE 2 unications e Date: Sept. e Secure Netw 5672 ainst-national- 5)(ii) Applicant A List ) n Street, Pin AI5102-WH the date of ,establishe d equipment. 25, 2024 works Act, ava -security-threa Attestation v1.3 ngshan T-T37, the filing o f d pursuant ailable at ats-to-the-com 3 f m

ShenzhenD-fastTechnologyCo.LTD 2.911(d)(7)USAAgentv1.3 Section2.911(d)(7)USAAgentforServiceofProcess Companyname:ShenzhenD-fastTechnologyCo.LTD Address:301,No.2,LangweiSouthThirdLane,LiulianCommunity,PingshanStreet, PingshanDistrict,Shenzhen,Guangdong,518118,China ProductName:NoiseCancellingOverEarWirelessHeadphones FCCID:2AP8A-AI5102 Model(s):AI5102,P1,AI5102-BLK-T37,AI5102-BUR-T37,AI5102-BST-T37, AI5102-WHT-T37,AI5102-RG-T37,AI5102-MCT-T37 2.911(d)(7)USADesignatedAgentforServiceofProcess We,[ShenzhenD-fastTechnologyCo.LTD](“theapplicant”)designate[USAMEIHUA TRADINGINC] NOTE1 forthepurposeofacceptingserviceofprocessonbehalfofthe applicant. Applicantconsent:WeAcknowledgeourconsenttoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddressofthedesignatedagentandacknowledgeouracceptance ofourobligationtomaintainanagentforserviceofprocessintheUnitedStatesforno lessthanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketing andimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofany Commission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater. Agentobligation:WeAcknowledgeourobligationtoacceptserviceofprocessinthe UnitedStatesformattersrelatedtotheapplicableequipmentatourphysicalU.S. addressandemailaddressfornolessthanoneyearaftereitherthegranteehas permanentlyterminatedallmarketingandimportationoftheapplicableequipment withintheU.S.,ortheconclusionofanyCommission-relatedadministrativeorjudicial proceedinginvolvingtheequipment,whicheverislater. ShenzhenD-fastTechnologyCo.LTD 2.911(d)(7)USAAgentv1.3 USAAgent Companyname:USAMEIHUATRADINGINC Address:5379PineValleyCtBoulderCO 80301UnitedStates FRNNumber:0033406166 ContactName:HarleyQuinn TelephoneNo:1-312-363-9424 Email:[email protected] Applicant Companyname:ShenzhenD-fastTechnology Co.LTD Address:301,No.2,LangweiSouthThird Lane,LiulianCommunity,PingshanStreet, PingshanDistrict,Shenzhen,Guangdong, 518118,China FCCRegistrationNumber(FRN): 0027634526 FCCGranteeCode:2AP8A ContactName:MsAbby TelephoneNo:0755-23087981 Email:[email protected] Signature: Title:Manager Signature: Title:Manager Date:Sept.25,2024Date:Sept.25,2024 NOTE1:AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforservice ofprocess. Reference;FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-nation al-security-threats-to-the-communications-supply-chain-through-the

Co m Ad d Ping Pr o Mo d AI5 Pr o We act We an d issu our Sig Na m Title Com mpany: Sh dress: 301, gshan Dist oduct Name del Numbe 102-WHT-T oduct Desc authorize M on our beha declare tha d certificatio ues concern behalf shal nature: me: e: mpany: Shen enzhen D-f , No. 2, Lan trict, Shenz e: Noise Ca er(s): AI510 T37, AI5102 ription: No MiCOM Lab alf on all ma at MiCOM L n of equipm ning the app ll have the s Ms Abby Manager Shenzhen nzhen D Agen fast Techn ngwei Sout zhen, Guan ancelling O 02, P1, AI51 2-RG-T37, A oise Cancel bs Inc., 575 atters conce Labs Inc. is ment to the r proval applic same effect n D-fast Te D-fast Te nt Auth ology Co.L th Third La ngdong, 51 Over Ear W 02-BLK-T 3 AI5102-MCT lling Over E Boulder Co erning the c allowed to f regulatory a cation. Any t as acts of chnology C echnolo horizat LTD ne, Liulia n 18118, Chin ireless Hea 37, AI5102- T-T37 Ear Wireles ourt, Pleasa certification forward all i agencies as and all acts our own. Co.LTD ogy Co.L tion n Communi na adphones BUR-T37, A ss Headph anton, Califo of above na information s required a s carried ou Date: LTD ity, Pingsh AI5102-BST hones ornia 94566 amed equip related to t nd to discu ut by MiCOM Sept. 25, 20 an Street, T-T37, 6, USA, to pment. the approva ss any M Labs on 024 al

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FCC ID LABEL: Ca: 5mm x 10mm Label Location FCC ID: 2AP8A-AI5102

FCC RF Exposure EUT Description: Noise Cancelling Over Ear Wireless Headphones Model No.: AI5102 FCC ID: 2AP8A-AI5102 1. Limits According to KDB 447498 D01 General RF Exposure Guidance v01 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)]·[√f(GHz)]≤3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, Where: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation Output power (dBm) Tune Up Power (dBm) Max Tune Up power dBm/mW Min test separati on distance mm Result Limit SAR Test Exclusion 2480 2.56 2±1(3) 2 5 0.62843 3.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2409125312-E, antenna gain=-0.68dBi Per KDB 447498 D01, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. The test exclusion threshold is 0.62843 which is<= 3, SAR testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f (GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm

Page 1 of 48 Report No.: HK2409125312-E FCC Test Report Test report On Behalf of Shenzhen D-fast Technology Co.LTD For Noise Cancelling Over Ear Wireless Headphones Model No.: AI5102, P1, AI5102-BLK-T37, AI5102-BUR-T37, AI5102-BST-T37, AI5102-WHT-T37, AI5102-RG-T37, AI5102-MCT-T37 FCC ID: 2AP8A-AI5102 Prepared For : Shenzhen D-fast Technology Co.LTD 301, No. 2, Langwei South Third Lane, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, Guangdong, 518118, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Sept. 12, 2024 ~ Sept. 20, 2024 Date of Report: Sept. 20, 2024 Report Number: HK2409125312-E Page 2 of 48 Report No.: HK2409125312-E Test Result Certification Applicant’s name ......... Shenzhen D-fast Technology Co.LTD Address .......................... 301, No. 2, Langwei South Third Lane, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, Guangdong, 518118, China Manufacturer's Name ... Shenzhen D-fast Technology Co.LTD Address .......................... 301, No. 2, Langwei South Third Lane, Liulian Community, Pingshan Street, Pingshan District, Shenzhen, Guangdong, 518118, China Product description Trade Mark: Product name .................. Noise Cancelling Over Ear Wireless Headphones Model and/or type reference ...................... AI5102, P1, AI5102-BLK-T37, AI5102-BUR-T37, AI5102-BST-T37, AI5102-WHT-T37, AI5102-RG-T37, AI5102-MCT-T37 Standards ...................... 47 CFR FCC Part 15 Subpart C 15.247 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ................................. . Date (s) of performance of tests ... . Sept. 12, 2024 ~ Sept. 20, 2024 Date of Issue ................................. Sept. 20, 2024 Test Result ..................................... Pass Testing Engineer : (Len Liao) Technical Manager : (Sliver Wan) Authorized Signatory : (Jason Zhou) Page 3 of 48 Report No.: HK2409125312-E Table of Contents Page 1. Summary ........................................................................................................................................................ 5 1.1. Test Standards ......................................................................................................................................... 5 1.2. Test Description ....................................................................................................................................... 5 1.3. Information of the Test Laboratory ........................................................................................................... 6 1.4. Statement of the Measurement Uncertainty ............................................................................................ 6 2. General Information ....................................................................................................................................... 7 2.1. Environmental Conditions ........................................................................................................................ 7 2.2. General Description of EUT ..................................................................................................................... 7 2.3. Description of Test Modes and Test Frequency ....................................................................................... 8 2.4. Equipments Used During the Test ........................................................................................................... 9 2.5. Related Submittal(S) / Grant (S) ............................................................................................................ 10 2.6. Modifications .......................................................................................................................................... 10 2.7. Description of Test Setup ....................................................................................................................... 10 2.8. Description of Support Units .................................................................................................................. 11 3. Test Conditions and Results ...................................................................................................................... 12 3.1. Conducted Emissions Test .................................................................................................................... 12 3.2. Radiated Emissions and Band Edge ..................................................................................................... 15 3.3. Maximum Peak Conducted Output Power ............................................................................................ 26 3.4. 20db Bandwidth ..................................................................................................................................... 27 3.5. Frequency Separation ........................................................................................................................... 30 3.6. Number of Hopping Frequency ............................................................................................................. 32 3.7. Time of Occupancy (Dwell Time) ........................................................................................................... 34 3.8. Out-of-Band Emissions .......................................................................................................................... 37 3.9. Pseudorandom Frequency Hopping Sequence ...........................…

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ANTENNA SPECIFICATION Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.73 -0.84 -0.68 -6.15 -3.70 -2.32 MAX. Gain -0.68 Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.88mm Manufacture Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.73178 -30.0815 -8.48713 2450 -0.845801 -38.5605 -7.88012 2500 -0.685586 -24.0318 -6.79139 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -6.1530 -24.1420 -13.0295 2450 -3.7054 -26.5836 -10.6700 2500 -2.32122 -30.4301 -9.70536