2A2BYHE-044TWS wireless Bluetooth headset

400 25 HE-044 25 400 HE-044

Product Name: TWS wireless Bluetooth headset Model No.：HE-044/ HE-044A/HE-044B/HE-024/HE-048/HE-025/HE-066/ HE-069/HE-065/T7/HE-070/071/072/073/074/075/076/077/078/079/080/081/0 82/083/084/085/086/087/088/089/090/091/092/093/094/095/096/097/098/099 FCC ID：2A2BYHE-044 All models are electrically identical ，only model no is different The device have left and right earphones ,left and right earphones are electrically identical. <Signature> Name :Zhangyanfeng Title :Manager Company :Dongguan Huien Electronic Technology Co., Ltd

June21,2021 EquipmentAutorisationDivision FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 FCCID:2A2BYHE-044 ProductName:TWSwirelessBluetoothheadset RequestforConfidentiality PursuanttoSections0.457and0.459ofthecommissionsrules,weherebyrequestthat thefollowingdocumentsbeheldconfidential: (Listherethedocumentsforwhichyouareseekingconfidentiality–forexample...) Schematics  Blockdiagram Operationdescription Thesematerialscontaintradesecretsandproprietaryinformationandarenot customarilyreleasedtothepublic.Thepublicdisclosureofthisinformationmightbe harmfultothecompanyandprovideunjustifiedbenefitstoourcompetitors. <Signature> Namezhangyanfeng TitleManager CompanyDongguanHuienElectronicTechnologyCo.,Ltd

June21,2021 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 AuthoritytoActasAgent Onourbehalf,IappointQianhaiBlueAsiaofTechnicalSerivices(shenzhen)Limited,No448, BulongRoad,BantianStreet,LonggangDistric (NameofAgentcompanynameandaddress) toactasouragentinthepreparationofthisapplicationforequipmentcertification.Icertify thatsubmitteddocumentsproperlydescribethedeviceorsystemforwhichequipment certificationissought.Ialsocertifythateachunitmanufactured,importedormarketed,as definedintheFederalCommunicationsCommission’sregulationswillhaveaffixedtoita labelidenticaltothatsubmittedforapprovalwiththisapplication. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,I acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification, stillresideswithDongguanHuienElectronicTechnologyCo.,LtdRoom301,Buildingof1,No.429, ChangdongRoad,ChangpingTown,Dongguancity,GuangdongProvince,China.(Applicant Nameandaddress) <Signature> Namezhangyanfeng Title Manager Company DongguanHuienElectronicTechnologyCo.,Ltd

Model No.: HE-044

FCCID:2A2BYHE-044

Model No.: HE-044

RF Exposure Evaluation Statement Product Name: TWS wireless Bluetooth headset Model No.：HE-044/ HE-044A/HE-044B/HE-024/HE-048/HE-025/HE-066/ HE-069/HE-065/T7/HE- 070/071/072/073/074/075/076/077/078/079/080/081/082/083/084/085/086/087/088/089/090/ 091/092/093/094/095/096/097/098/099 FCC ID：2A2BYHE-044 1.1 RF Exposure Compliance Requirement 1.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 1.1.2 Limits 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 f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation 17 The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion 1.1.3 EUT RF Exposure Operational Mode: EDR （π/4 DQPSK worst case） Channel Maximum Peak Conducted Output Power (dBm) Tune up tolerance (dB) Maximum tune-up Power Calculated value Exclusion threshold (dBm) (mW) 2402MHZ -6.828 ±1 -5.828 0.26 0.08 3.0 2441MHz -7.255 ±1 -6.255 0.24 0.07 2480MHz -7.047 ±1 -6.047 0.25 0.08 Conclusion: the calculated value ≤3.0, SAR is exempted.

Page 1 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Add: Building C, No. 107, Shihuan Road, Shiyan Sub-District, Baoan District, Shenzhen, Guangdong Province, China Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com TEST REPORT Product Name : TWS wireless Bluetooth headset Brand Mark : N/A Model No. : HE-044 Extension Model : HE-044A/HE-044B/HE-024/HE-048/HE-025/HE-066/ HE-069/HE-065/T7/HE-070/071/072/073/074/075/076/077/ 078/079/080/081/082/083/084/085/086/087/088/089/090/ 091/092/093/094/095/096/097/098/099 FCC ID : 2A2BYHE-044 Report Number : BLA-EMC-202105-A12002 Date of Sample Receipt : 2021/6/2 Date of Test : 2021/6/2 to 2021/6/10 Date of Issue : 2021/6/10 Test Standard : 47 CFR Part 15, Subpart C 15.247 Test Result : Pass Prepared for: Dongguan Huien Electronic Technology Co., Ltd Room 301, Building of 1, No. 429, Changdong Road, Changping Town, Dongguan city, Guangdong Province , China Prepared by: BlueAsia of Technical Services(Shenzhen) Co.,Ltd. Building C, No. 107, Shihuan Road, Shiyan Sub-District, Baoan District, Shenzhen, Guangdong Province, China TEL: +86-755-23059481 Compiled by: Review by: Approved by: Date: 2021/6/10 Report No.: BLA-EMC-202105-A12002 Page 2 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com REPORT REVISE RECORD Version No. Date Description 00 2021/6/10 Original Report No.: BLA-EMC-202105-A12002 Page 3 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com TABLE OF CONTENTS 1 TEST SUMMARY ........................................................................................................................................5 2 GENERAL INFORMATION .........................................................................................................................6 3 GENERAL DESCRIPTION OF E.U.T. .........................................................................................................6 4 TEST ENVIRONMENT ................................................................................................................................7 5 TEST MODE ................................................................................................................................................7 6 MEASUREMENT UNCERTAINTY ..............................................................................................................7 7 DESCRIPTION OF SUPPORT UNIT...........................................................................................................8 8 LABORATORY LOCATION .........................................................................................................................8 9 TEST INSTRUMENTS LIST ........................................................................................................................9 1 ANTENNA REQUIREMENT ..................................................................................................................... 13 1.1 CONCLUSION ............................................................................................................................................................ 13 2 CONDUCTED SPURIOUS EMISSIONS .................................................................................................. 14 2.1 LIMITS ................................................................................................................................................................... 14 2.2 BLOCK DIAGRAM OF TEST SETUP .......................................................................................................................... 14 2.3 TEST DATA .............................................................................................................................................................. 15 3 RADIATED EMISSIONS WHICH FALL IN THE RESTRICTED BANDS................................................. 16 3.1 LIMITS ................................................................................................................................................................... 16 3.2 BLOCK DIAGRAM OF TEST SETUP .......................................................................................................................... 17 3.3 PROCEDURE .......................................................................................................................................................... 17 3.4 TEST DATA .............................................................................................................................................................. 19 4 CONDUCTED BAND EDGES MEASUREMENT ..................................................................................... 23 4.1 LIMITS ................................................................................................................................................................... 23 4.2 BLOCK DIAGRAM OF TEST SETUP .......................................................................................................................... 23 4.3 TEST DATA .............................................................................................................................................................. 24 5 DWELL TIME ............................................................................................................................................ 25 5.1 LIMITS ................................................................................................................................................................... 25 5.2 BLOCK DIAGRAM OF TEST SETUP .......................................................................................................................... 25 5.3 EST DATA ................................................................................................................................................................ 25 6 HOPPING CHANNEL …

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Report No.: BLA-EMC-202105-A12002 Page 46 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com 12 APPENDIX 12.1 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Total Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 Ant1 -7.4 -7.4 21 Pass NVNT 1-DH1 2441 Ant1 -7.84 -7.84 21 Pass NVNT 1-DH1 2480 Ant1 -7.661 -7.661 21 Pass NVNT 2-DH1 2402 Ant1 -6.828 -6.828 21 Pass NVNT 2-DH1 2441 Ant1 -7.255 -7.255 21 Pass NVNT 2-DH1 2480 Ant1 -7.047 -7.047 21 Pass Power NVNT 1-DH1 2402MHz Ant1 Power NVNT 1-DH1 2441MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 47 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Power NVNT 1-DH1 2480MHz Ant1 Power NVNT 2-DH1 2402MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 48 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Power NVNT 2-DH1 2441MHz Ant1 Power NVNT 2-DH1 2480MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 49 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Report No.: BLA-EMC-202105-A12002 Page 50 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com 12.2 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Limit -20 dB Bandwidth (MHz) Verdict NVNT 1-DH1 2402 Ant1 0.864 0 Pass NVNT 1-DH1 2441 Ant1 0.854 0 Pass NVNT 1-DH1 2480 Ant1 0.866 0 Pass NVNT 2-DH1 2402 Ant1 1.227 0 Pass NVNT 2-DH1 2441 Ant1 1.282 0 Pass NVNT 2-DH1 2480 Ant1 1.249 0 Pass -20dB Bandwidth NVNT 1-DH1 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH1 2441MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 51 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com -20dB Bandwidth NVNT 1-DH1 2480MHz Ant1 -20dB Bandwidth NVNT 2-DH1 2402MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 52 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com -20dB Bandwidth NVNT 2-DH1 2441MHz Ant1 -20dB Bandwidth NVNT 2-DH1 2480MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 53 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Report No.: BLA-EMC-202105-A12002 Page 54 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com 12.3 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT 1-DH1 2402 Ant1 0.8233832072 NVNT 1-DH1 2441 Ant1 0.8190030784 NVNT 1-DH1 2480 Ant1 0.8033716606 NVNT 2-DH1 2402 Ant1 1.160764375 NVNT 2-DH1 2441 Ant1 1.168365614 NVNT 2-DH1 2480 Ant1 1.16589336 OBW NVNT 1-DH1 2402MHz Ant1 OBW NVNT 1-DH1 2441MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 55 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com OBW NVNT 1-DH1 2480MHz Ant1 OBW NVNT 2-DH1 2402MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 56 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com OBW NVNT 2-DH1 2441MHz Ant1 OBW NVNT 2-DH1 2480MHz Ant1 Report No.: BLA-EMC-202105-A12002 Page 57 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Report No.: BLA-EMC-202105-A12002 Page 58 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com 12.4 Band Edge Condition Mode Frequency (MHz) Antenna Hopping Mode Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH1 2402 Ant1 No-Hopping -48 -20 Pass NVNT 1-DH1 2480 Ant1 No-Hopping -43.9 -20 Pass NVNT 2-DH1 2402 Ant1 No-Hopping -47.84 -20 Pass NVNT 2-DH1 2480 Ant1 No-Hopping -46.2 -20 Pass Band Edge NVNT 1-DH1 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 1-DH1 2402MHz Ant1 No-Hopping Emission Report No.: BLA-EMC-202105-A12002 Page 59 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Band Edge NVNT 1-DH1 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 1-DH1 2480MHz Ant1 No-Hopping Emission Report No.: BLA-EMC-202105-A12002 Page 60 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Band Edge NVNT 2-DH1 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 2-DH1 2402MHz Ant1 No-Hopping Emission Report No.: BLA-EMC-202105-A12002 Page 61 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Band Edge NVNT 2-DH1 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 2-DH1 2480MHz Ant1 No-Hopping Emission Report No.: BLA-EMC-202105-A12002 Page 62 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Report No.: BLA-EMC-202105-A12002 Page 63 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com 12.5 Band Edge(Hopping) Condition Mode Frequency (MHz) Antenna Hopping Mode Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH1 2402 Ant1 Hopping -47.29 -20 Pass NVNT 1-DH1 2480 Ant1 Hopping -46.21 -20 Pass NVNT 2-DH1 2402 Ant1 Hopping -47.26 -20 Pass NVNT 2-DH1 2480 Ant1 Hopping -46.95 -20 Pass Band Edge(Hopping) NVNT 1-DH1 2402MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 1-DH1 2402MHz Ant1 Hopping Emission Report No.: BLA-EMC-202105-A12002 Page 64 of85 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com Band Edge(Hopping) NVNT 1-DH1 2480MHz Ant1 Hopping Ref Band Edge(Hopping) NVNT 1-DH1…

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Model No.: HE-044