2A9MY-HT-RQ1Wireless Headphones

FCC Caution: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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 against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following 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 technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

- Hitech Industrial Co., Ltd - 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. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 04/6/2023 U.S. Agent Designation [Hitech Industrial 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: [2A9MY-HT-RQ1]): Name of U.S. agent: Tim Payne Company U.S. agent: FCC US Agent, LLC Physical U.S. address of agent: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA FRN of U.S. agent: 0033402884 Email address of U.S. agent: [email protected] Phone of U.S. agent: 708-571-3148 FCC US Agent, LLC acknowledges their obligation to accept service of process on behalf of [Hitech Industrial Co., Ltd]. [Hitech Industrial Co., Ltd] 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). Sincerely, Signature Jennifer Liu Manager Hitech Industrial Co., Ltd Signature Tim Payne Manager FCC US Agent, LLC 48_[model] US_Agent_2.911(d)(7)-U, V03

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communication 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)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2A9MY-HT-RQ1 HT-RQ1 We, applicant Company Name: Hitech Industrial Co., Ltd Address: 6/F, 15th Building, 4th Industrial Zone, Yulv Community, Gongming, Guangming New District, Shenzhen, China Phone: 86-755- 26836929 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-04-06 Printed Name of Signee: Jennifer Liu Company: Hitech Industrial Co., Ltd Address: 6/F, 15th Building, 4th Industrial Zone, Yulv Community, Gongming, Guangming New District, Shenzhen, China Phone: 86-755- 26836929 Fax: 86-755- 26836929 Email: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2A9MY-HT-RQ1 HT-RQ1 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are:  the Operational Description  the Block Diagram  the Schematics The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Signature Date:2023-04-06 Printed Name of Signee: Jennifer Liu Company: Hitech Industrial Co., Ltd Address: 6/F, 15th Building, 4th Industrial Zone, Yulv Community, Gongming, Guangming New District, Shenzhen, China Phone: 86-755- 26836929 Fax: 86-755- 26836929 Email: [email protected]

Page1of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity ExternalPhotosoftheEUT Fig.1 Fig.2 Page2of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 Page3of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8 Page5of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.9 Fig.10 Page6of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.11 Fig.12 Page7of7FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.13 Fig.14

Page1of1FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity LABELANDLOCATION (Size:L0.5cmx0.5cm) LabelLocation WirelessHeadphones Model:HT-RQ1 FCCID:2A9MY-HT-RQ1

Page1of5FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity InternalPhotosoftheEUT Fig.1 Fig.2 Page2of5FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.3 Fig.4 BTAntenna Page3of5FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.5 Fig.6 Page4of5FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.7 Fig.8 Page5of5FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity Fig.9

Page1of4FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCRFExposureEvaluation 1.ProductInformation FCCID:2A9MY-HT-RQ1 Productname:WirelessHeadphones TestModel:HT-RQ1 PowerSupply: Input:DC5V Headset:DC3.7VbyLi-ionBattery(50mAh) Chargingcase:DC3.7VbyLi-ionBattery(450mAh) HardwareVersion:AD6973-RMV3.1/HT-RQ1-CC-V2.2-20230309 SoftwareVersion:/ FrequencyRange:2402MHz~2480MHz ChannelNumber:79channelsforBluetoothV5.1(DSS) 40channelsforBluetoothV5.1(DTS) ChannelSpacing:1MHzforBluetoothV5.1(DSS) 2MHzforBluetoothV5.1(DTS) ModulationType:GFSK,π/4-DQPSKforBluetoothV5.1(DSS) GFSKforBluetoothV5.1(DTS) BluetoothVersion:V5.1 AntennaType:InternalAntenna AntennaGain:2.7dBi Exposurecategory:Generalpopulation/uncontrolledenvironment EUTType:ProductionUnit DeviceType:PortableDevice Page2of4FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 2.EvaluationmethodandLimit AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSAR testexclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDB procedures,standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulation exposureconditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition,listedbelow,issatisfied.Thesetest exclusionconditionsarebasedonsource-basedtime-averagedmaximumconductedoutputpower oftheRFchannelrequiringevaluation,adjustedfortune-uptolerance,andtheminimumtest separationdistancerequiredfortheexposureconditions.22Theminimumtestseparationdistance isdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresoroutersurfaceof thedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements,toany partofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbythe operatingconfigurationsandexposureconditionsofthetransmitterandapplicablehostplatform requirements,typicallyintheSARmeasurementorSARanalysisreport,accordingtotherequired publishedRFexposureKDBprocedures.WhennootherRFexposuretestingorreportingis required,astatementofjustificationandcompliancemustbeincludedintheequipmentapproval,in lieuoftheSARreport,toqualifyfortheSARtestexclusion.Whenrequired,thedevicespecific conditionsdescribedintheotherpublishedRFexposureKDBproceduresmustbesatisfiedbefore applyingtheseSARtestexclusionprovisions;forexample,handheldPTTtwo-wayradios,handsets, laptops&tabletsetc.“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremitySAR,where: •f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison •3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm andfortransmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtest separationdistanceis<5mm,adistanceof5mmaccordingtof)insection4.1isappliedto determineSARtestexclusion. Whenoneofthefollowingtestexclusionconditionsissatisfiedforallcombinationsof simultaneoustransmissionconfigurations,furtherequipmentapprovalisnotrequiredto incorporatetransmittermodulesinhostdevicesthatoperateinthemixedmobileandportablehost platformexposureconditions.ThegranteeisresponsiblefordocumentingthisaccordingtoClassI permissivechangerequirements.AntennasthatqualifyforstandaloneSARtestexclusionmust applytheestimatedstandaloneSARtodeterminesimultaneoustransmissiontestexclusion. a)The[∑of(thehighestmeasuredorestimatedSARforeachstandaloneantennaconfiguration, adjustedformaximumtune-uptolerance)/1.6W/kg]+[∑ofMPEratios]is≤1.0. b)TheSARtopeaklocationseparationratiosofallsimultaneouslytransmittingantennapairs operatinginportabledeviceexposureconditionsareall≤0.04,andthe[∑ofMPEratios]is≤ 1.0. 3.ReferEvaluationMethod ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadio FrequencyElectromagneticFields,3kHzto300GHz. FCCKDBpublication447498D01GeneralRFExposureGuidancev06:MobileandPortableDevices RFExposureProceduresandEquipmentAuthorizationPolicies. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits. FCCCFR47part22.1093:Radiofrequencyradiationexposureevaluation:portabledevices Page3of4FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity 4.ConductedPowerResults <BT> ModeChannelFrequency(MHz)PeakConductedOutputPower(dBm) GFSK 024020.98 392441 2.39 782480 3.19 π/4-DQPSK 02402 0.21 3924412.45 782480 3.18 <BTLE> ModeChannelFrequency(MHz) PeakConductedOutputPower(dBm) GFSK 02402 -4.93 192440 -4.19 392480-4.01 <BT2LE> ModeChannelFrequency(MHz) PeakConductedOutputPower(dBm) GFSK 02402 -5 192440-4.24 392480 -4.04 5.ManufacturingTolerance <BT> GFSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)02.03.0 Tolerance±(dB)1.01.01.0 π/4-DQPSK(Peak) ChannelChannel0Channel39Channel78 Target(dBm)02.03.0 Tolerance±(dB)1.01.01.0 <BTLE> GFSK(Peak) ChannelChannel0Channel19Channel39 Target(dBm)-4.0-4.0-4.0 Tolerance±(dB)1.01.01.0 Page4of4FCCID:2A9MY-HT-RQ1 ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity <BT2LE> GFSK(Peak) Chan…

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- 1 - 产 品 技 术 规 格 书 SPECIFICATION 拟制Prepared by： 审核Checked by ： 批准Approved by： 送样日期Formed On 产品版本Document Version ( V1.0 ) 产品型号 PART NO： 客户料号CUSTOMER PART NO： 客户确认CUSTOMER APPROVED BY： 确认日期APPROVED DATE： 深圳市森美嘉电子有限公司 13510385948 深圳市森美嘉电子有限公司 13510385948 LTA182450-P75 - 2 - 目 录 Table of contents 规格书版本更改记录 Version rejigger track record ..............................3 1. 概述 Introduction..................................................................4 2. 型号 Part Number...............................................................4 3. 外型尺寸及测试板焊盘尺寸 Dimensions..............................4～5 4. 测试电路和匹配电路 Evaluation Board and Matching Circuits............6 5. 电气性能 Electrical Characteristics..........................................7 6. 特性曲线 Characteristic curve...................................................6 7. 方向图 Radiation Pattern...................................................8～9 8. 可靠性试验 Dependability Test..........................................10～11 9. 回流焊温度 Reflow Soldering Standard Condition.....................11 10. 包装尺寸 Packaging and Dimensions ....................................12 深圳市森美嘉电子有限公司 13510385948 [email protected] - 3 - 产品规格书版本更改记录 Version rejigger track record 版本号 Version 更改记录 Rejigger 拟制 Prepared 批准 Approve 日期 Date V1.0 首次发行 潘枫 卢冠宇 2020.08.21 备注： 1、更改产品电性能指标时，版本号需更换（V1.0换为V2.0、V3.0......）； 2、更改产品测试方法（包括可靠性测试条件），或更改使用条件时，当前版本号加系列（V1.0 换为V1.1、V1.2......）。 深圳市森美嘉电子有限公司 13510385948 [email protected] - 4 - 1. 概述 INTRODUCTION "佳利"微波多层陶瓷天线LA系列产品设计用于WLAN、WiFi、蓝牙、PHS，手机 多频天线, FM等小体积SMD片式设计。 "GLEAD" Microwave Multi-Layer Ceramic Antenna LA series are designed to be used in WLAN、WiFi、Bluetooth、PHS、 Multiple-band Mobile phone antenna, FM, etc and compact size SMD chip design. 2. 型号 Part Number 3. 外型尺寸 Dimensions（Unit：mm） Number Terminal Name ① INPUT+GND ② NC ③ GND Symbol L W T a b c d e f Dimension(mm) 1.6±0.1 0.8±0.1 0.4±0.1 0.5±0.1 0.25±0.1 0.18±0.05 0.55±0.1 0.12±0.05 0.6±0.1 ( Top View ) L w ( Bottom View ) ( Side View ) ① ① ① a b T c e d f 产品尺寸/Size：1.6×0.8×0.5 LTA 18 2450-P75 天线频率/AntennaFrequency:2450MHz 多层结构天线/Multi-layerAntenna 产品名称，编号/ProductName P75 P75 深圳市森美嘉电子有限公司 13510385948 [email protected] - 5 - Layout1： Layout2： Unit：mm Unit：mm 深圳市森美嘉电子有限公司 13510385948 [email protected] - 6 - 4. 测试电路和匹配电路 Evaluation Board and Matching Circuits Layout1： Layout2： 2.0nH 1.5pF 4.3pF Unit：mm PI Type Matching Network 50Ω Feeding Line Clearance Area 50Ω Feeding Line PI Type Matching Network electric capacity Unit：mm 深圳市森美嘉电子有限公司 13510385948 [email protected] - 7 - 5. 电气性能 Electrical Characteristics 6. 特性曲线 Characteristic curve No. Item （项目） Specifications （特性） 5.1 (带匹配电路测试)After Matching 2450 MHz 5.2 Band Width 通带宽度 65MHz typ. 5.3 Peak Gain 峰值增益 2.7 dBi 5.4 V.S.W.R 驻波比 ≤2.0 5.5 Polarization 极化方式 Linear 线性 5.6 Azimuth Beam width 方位角 Omni-directional 全向 5.7 Impedance 阻抗 50 Ω 深圳市森美嘉电子有限公司 13510385948 [email protected] - 8 - 7. 方向图 Radiation Pattern coordinates： X-Z Plane Y-Z Plane 深圳市森美嘉电子有限公司 13510385948 [email protected] - 9 - X-Y Plane 3D Radiation Pattern Frequency (MHz) 2400 2450 2500 0 Peck Gain (dBi) .75 1 2.7 .25 -Avg. Gain (dBi) 2.36 -1.43 -2.15 Efficiency (%) 63.6 77.5 64.9 深圳市森美嘉电子有限公司 13510385948 [email protected] - 10 - 8 可靠性试验 Dependability Test 基准条件：温度范围 Temperature range 25±5°C 相对湿度范围 Relative Humidity range 55~75%RH 工作温度 Operating Temperature range -40°C~+85°C 贮藏温度 Storage Temperature range -40°C~+85°C 8.1 耐振动 Vibration Resist 在振动频率为10~55Hz振幅为1.5mm 沿X.Y.Z方向各振动2小时后测试需符合电气性能指标。 The device should fulfill the electrical specification after applied to the vibration of 10 to 55Hz with amplitude of 1.5mm for 2 hours each in X , Y and Z directions. 8.2耐跌落冲击 Drop Shock 在100cm高度处按X，Y，Z三个面分别自由跌落在木制地板上共3次后，要求无机械损伤。 The device should have no mechanical damage after dropping onto the hard wooden board from the height of 100cm for 3 times each facet of the 3 dimensions of the device. 8.3 耐焊接热 Solder Heat Proof 能承受经120~150°C的温度预热120秒后，在255°C+10°C的焊锡浸5±0.5秒，或300°C-10°C的 电烙铁焊接3±0.5秒，焊接面无损伤。 The device should be satisfied after preheating at 120°C~150°C for 120 seconds and dipping in soldering Sn at 255°C+10°C for 5±0.5 seconds，or electric iron 300°C-10°C for 3±0.5 seconds， without damnify. 8.4 推力试验 Adhesive Strength of Termination 在产品电极端子上或表面上可承受5N(≦0603)；10N(>0603)水平推力10±1秒而无明显外观损坏 与电极移位。 The device have no remarkable damage or removal of the termination after horizontal force of 5N(≦0603)；10N(>0603)with 10±1 seconds. 8.5 耐弯曲试验 Bending Resist Test 将产品按图焊在1.6±0.2mm或0.8±0.1mm的 PCB 板中间，由箭头方向施力：1mm/S，弯曲距 离：1.5mm，保持5±1S，产品金属层无脱落。 Weld the product to the center part of the PCB with the thickness 1.6±0.2mm or 0.8±0.1mm as the illustration shows, and keep exerting force arrow-ward on it at speed of :1mm/S , and hold for 5±1S at the position of 1.5mm bending distance , so far , any peeling off of the product metal coating should not be detected . 深圳市森美嘉电子有限公司 13510385948 [email protected] - 11 - 8.6 耐湿热特性 Moisture Proof 在温度为60±2°C，相对湿度90~95%的恒温湿箱中放置96小时，在常温中恢复1~2小时 后测试，测试需符合电气性能指标。 The device should fulfill the electrical specification after exposed to the temperature 60±2°Cand the relative humidity 90~95% RH for 96 hours and 1~2 hours recovery time under normal condition. 8.7 高温特性 High Temperature Endurance 在温度为85±5°C的恒温箱中放置96±2小时，在常温中恢复1~2小时后测试。测试需符 合电气性能指标。 The device should fulfill the electrical specification after exposed to temperature 85±5°Cfor 96±2 hours and 1~2 hours recovery time under normal temperature. 8.8 低温特性 Low Temperature Endurance 在温度为-40°C±5°C低温箱中放置96±2小时后恢复1~2小时，测试需符合电气性能指标。 The device should fulfill the electrical specification after exposed to the temperature -40°C±5°C for 96 ±2 hours and to 2 hours recovery time under normal temperature. 8.9 温度循环 Temperature Cycle Test 在-40°C温度中保持30分钟，再在+85°C温度中保持30分钟，共循环5次后在常温中恢复1~2 小时后测试需符合电气性能指标。 The device should fulfill the electrical specification after exposed to the low temperature -40°C and high temperature +85°C for 30±2 min each by 5 cycles and 1 to 2 hours recovery time under normal temperature. 9 回流焊温度 Reflow Soldering…

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Page 1 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Appendix A RF Test Data for BT (Conducted Measurement) Product Name: Wireless Headphones Test Model: HT-RQ1 Environmental Conditions Temperature: 23.8  C Relative Humidity: 52.1% ATM Pressure: 100.0 kPa Test Engineer: Nick Peng Supervised by: Ling Zhu Page 2 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.1 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Limit -20 dB Bandwidth (MHz) Verdict NVNT 1-DH5 2402 Ant1 0.844 N/A Pass NVNT 1-DH5 2441 Ant1 0.914 N/A Pass NVNT 1-DH5 2480 Ant1 0.856 N/A Pass NVNT 2-DH5 2402 Ant1 1.28 N/A Pass NVNT 2-DH5 2441 Ant1 1.276 N/A Pass NVNT 2-DH5 2480 Ant1 1.287 N/A Pass Page 3 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs -20dB Bandwidth NVNT 1-DH5 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH5 2441MHz Ant1 Page 4 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 1-DH5 2480MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2402MHz Ant1 Page 5 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 2-DH5 2441MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2480MHz Ant1 Page 6 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.2 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Total Power (dBm) Limit (dBm) Verdict NVNT 1-DH5 2402 Ant1 0.98 21 Pass NVNT 1-DH5 2441 Ant1 2.39 21 Pass NVNT 1-DH5 2480 Ant1 3.19 21 Pass NVNT 2-DH5 2402 Ant1 0.21 21 Pass NVNT 2-DH5 2441 Ant1 2.45 21 Pass NVNT 2-DH5 2480 Ant1 3.18 21 Pass Page 7 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs Power NVNT 1-DH5 2402MHz Ant1 Power NVNT 1-DH5 2441MHz Ant1 Page 8 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 1-DH5 2480MHz Ant1 Power NVNT 2-DH5 2402MHz Ant1 Page 9 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 2-DH5 2441MHz Ant1 Power NVNT 2-DH5 2480MHz Ant1 Page 10 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.3 Carrier Frequencies Separation Condition Mode Antenna Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH5 Ant1 2402.012 2403.012 1 0.609 Pass NVNT 2-DH5 Ant1 2402.01 2403.154 1.144 0.858 Pass Page 11 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs CFS NVNT 1-DH5 2402MHz Ant1 CFS NVNT 2-DH5 2402MHz Ant1 Page 12 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.4 Dwell Time Condition Mode Frequency (MHz) Antenna Pulse Time (ms) Total Dwell Time (ms) Burst Count Period Time (ms) Limit (ms) Verdict NVNT 1-DH5 2402 Ant1 2.882 296.846 103 31600 400 Pass NVNT 2-DH5 2402 Ant1 2.882 302.61 105 31600 400 Pass Page 13 of 38 FCC ID: 2A9MY-HT-RQ1 Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) …

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Page 1 of 36 FCCID:2A9MY-HT-RQ1ReportNo.:LCSA031323131EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FOR HitechIndustrialCo.,Ltd WirelessHeadphones TestModel:HT-RQ1 Preparedfor:HitechIndustrialCo.,Ltd Address: 6/F,15thBuilding,4thIndustrialZone,YulvCommunity, Gongming,GuangmingNewDistrict,Shenzhen,China Preparedby:ShenzhenLCSComplianceTestingLaboratoryLtd. Address: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China Tel:(+86)755-82591330 Fax:(+86)755-82591332 Web:www.LCS-cert.com Mail:[email protected] Dateofreceiptoftestsample:March13,2023 Numberoftestedsamples:2 SampleNo.:A031323131-1,A031323131-2 Serialnumber:Prototype DateofTest:March13,2023~March17,2023 DateofReport:March17,2023 Page 2 of 36 FCCID:2A9MY-HT-RQ1ReportNo.:LCSA031323131EA ShenzhenLCSComplianceTestingLaboratoryLtd. Add:101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei,ShajingStreet,BaoanDistrict,Shenzhen, 518000,China Tel:+(86)0755-82591330|E-mail:[email protected]|Web:www.lcs-cert.com Scancodetocheckauthenticity FCCTESTREPORT FCCCFR47PART15C(15.247) ReportReferenceNo......................:LCSA031323131EA DateofIssue.......................................:March17,2023 TestingLaboratoryName..............:ShenzhenLCSComplianceTestingLaboratoryLtd. Address................................................: 101,201BldgA&301BldgC,JujiIndustrialParkYabianxueziwei, ShajingStreet,BaoanDistrict,Shenzhen,518000,China TestingLocation/Procedure............ : FullapplicationofHarmonisedstandards■ PartialapplicationofHarmonisedstandards□ Otherstandardtestingmethod□ Applicant’sName.............................: HitechIndustrialCo.,Ltd Address................................................: 6/F,15thBuilding,4thIndustrialZone,YulvCommunity,Gongming, GuangmingNewDistrict,Shenzhen,China TestSpecification Standard..............................................:FCCCFR47PART15C(15.247) TestReportFormNo.........................:LCSEMC-1.0 TRFOriginator....................................:ShenzhenLCSComp…

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