2BR58-RITATANCHJIM-RITA

产品说明书 PRODUCT MANUAL 매개변수 브랜드: TANCHJIM 모델명: RITA 제조사: Nanning Heavy Hammer Technology Co., Ltd 주소: 중국 광시 난닝시 융닝구 융푸로 33번지 난닝 치디 아세안 사이언스 앤드 테크놀로지 시티 창업센터 1층 101호 생산지: 둥관, 중국 주파수 응답 범위: 20-20000Hz 드라이버 유닛: 40mm 직경 다이내믹 드라이버 다이어그램 재질: PET 베릴륨 코팅 다이어프램 THD 총 고조파 왜곡: 0.039%@1kHz 94dB 유닛 임피던스: 32Ω 무선 블루투스: 6.0 오디오 코덱: AAC, SBC, LDAC 배터리 시간 : ANC OFF 92H/ANC ON 51H30min 작업 거리 : 15m (장애물 없는 직선거리) 유선 충전 포트: Type-C 충전 입력: 5V-1A 배터리 용량 : 650 mAh 3.7V 2.405Wh 작동 주파수 범위: 2400~2483.5MHz RF 전송 파워: ≤20dBm (EIRP) CMIT ID：XXXXXXXXXXXX FCC ID：2BR58-RITA 产品参数 品牌：TANCHJIM 型号：RITA 制造商：南宁重锤科技有限公司 地址：广西南宁市邕宁区永福路33号启迪东盟科技城· 科技研孵中心一层101室 产地：中国 东莞 频响范围：20-20000Hz 驱动单元：40mm直径动圈式换能器 膜片材料：PET镀铍振膜 总谐波失真：0.039%@1kHz 94dB 单元阻抗：32Ω 无线蓝牙：6.0 蓝牙协议：AAC,SBC，LDAC 续航时间：ANC OFF 92H/ANC ON 51H30min 工作距离：15m（无障碍物的直线距离） 有线充电接口：Type-C 充电输入：5V-1A 电池容量：650 mAh 3.7V 2.405 Wh 工作频率范围：2400~2483.5MHz 射频发射功率：≤20dBm（EIRP） CMIT ID：XXXXXXXXXXXX FCC ID：2BR58-RITA SPECIFICATIONS Brand: TANCHJIM Model: RITA Manufacturer: Nanning Heavy Hammer Technology Co., Ltd. Address:Room 101, 1F, Nanning Qidi ASEAN Innovation Center, No. 33, Yongfu Road, Yongning District, Nanning，China Origin: DongGuan, China Frequency response range: 20-20000Hz Drive unit: 40mm diameter dynamic driver transducer Diaphragm material: PET beryllium-coated diaphragm Total harmonic distortion: 0.039%@1kHz 94dB Unit impedance: 32Ω Wireless Bluetooth: 6.0 Bluetooth protocol: AAC, SBC, and LDAC Battery life: ANC OFF 92H/ANC ON 51H30min Working distance: 15m (straight-line distance without obstacles) Wired charging interface: Type-C Charging input: 5V-1A Battery capacity: 650mAh 3.7V 2.405Wh Operating frequency range: 2400-2483.5MHz RF output power: ≤20dBm (EIRP) CMIT ID：XXXXXXXXXXXX FCC ID：2BR58-RITA スペック ブランド：TANCHJIM モデル番号：RITA メーカー：南寧重錘科技有限公司 住所：広西チワン族自治区南寧市邕寧区永福路33号南寧啓迪東盟科技城 科学技術インキュベーションセンター1階101室 生産地：中国 東莞 再生周波数帯域：20～20000Hz ドライブユニット：40mm直径ダイナミックドライバ式トランスデューサ 振動板素材：PETベリリウムメッキ振動板 全高調波歪：0.039％＠1kHz 94dB ユニットインピーダンス：32Ω Bluetooth技術：Bluetooth 6.0 Bluetoothコーデック：AAC、SBC、LDAC 連続再生時間：ANC機能オフ 92H/ANC機能オン 51H30min 通信距離：15m（障害物なしの直線距離） 有線充電ポート：Type-C 充電入力：5V-1A バッテリー容量：650 mAh 3.7V 2.405 Wh 動作周波数帯域：2400～2483.5MHz 高周波送信出力：≤20dBm（EIRP） CMIT ID：XXXXXXXXXXXX FCC ID：2BR58-RITA 合格证 CERTIFICATION 品牌 | BRAND TANCHJIM 型号 | MODEL RITA 检测员 | CHECKER 检01 制造商 | PRODUCER 南宁重锤科技有限公司 维修记录 | MAINTENANCE RECORD 维修日期故障描述及更换配件维修工程师 用户姓名 联系电话 通讯地址 产品名称及型号 产品序列号 产品购买日期 产品购买渠道 WARRANTY CARD 保修卡 APPLICATION 应用 若产品可适配 TANCHJIM 移动端应用，请扫描上方二维码下载该应用 ios OFFICIAL ACCOUNT 公众号 关注微信公众号，了解最新资讯和售后服务 微信公众号 Android 1 23 456789 注意事项 为正确而安全地使用本产品，请在使用前详细阅读本手册。使用耳机时应注意 下列事项： ①请合理控制使用耳机的音量和时间。 ②请勿在潜在危险环境中使用耳机，以确保安全。 ③尽量避免在驾驶途中使用耳机聆听音乐、拨打或接听电话。 ④请将耳机置于儿童无法接触到的地方，避免儿童使用不当造成危险。 ⑤在梳洗时应避免耳机进水，以免损害耳机音质或耳机。 ⑥因尽量避免持续调高音量，导致听不到四周的声音，如出现耳鸣或将音量调得过 高时，请将耳机调到合适音量。 ⑦如使用耳机时感到明显不适，有刺激感或者其他不良反应，请立刻停止使用。 ⑧避免将耳机储存或使用于温度低于-15摄氏度或高于55摄氏度的环境，否则会缩 短耳机或电池寿命。 ⑨耳机充电口请保持清洁。 ⑩产品含内置可充电锂电池。 ⑪电池使用安全提示：禁止拆解、撞击、针刺、挤压、浸水或投入火中，请勿在高温 环境使用。若出现严重发热、鼓包等现象，请立即停止使用。 ⑫示意图片与实物可能存在差异，如产品设计与规格发生变动，怒不另行通知。 Precautions To use this product correctly and safely, please read this Guide carefully before use. Pay attention to the following when using earbuds: ①Control the volume and duration of earbud use reasonably. ②Do not use the earbuds in potentially dangerous environments to ensure safety. ③Avoid listening to music, making calls, or answering calls while driving. ④Keep the earbuds out of reach of children to avoid accidents caused by improper use. ⑤Avoid exposing the earbuds to water while washing, to prevent damage or degradation of sound quality. ⑥Avoid continuously raising the volume to a level that prevents awareness of surrounding sounds. If tinnitus or discomfort occurs, reduce the volume to a safe level. ⑦If you feel obvious discomfort, irritation, or other adverse reactions while using the earbuds, stop use immediately. ⑧Do not store or use the earbuds in environments below -15°C or above 55°C, otherwise battery life or product lifespan may be shortened. ⑨Keep the earbud charging port clean. ⑩This product contains a built-in rechargeable lithium battery. ⑪Battery safety notice: Do not disassemble, impact, puncture, crush, immerse in water, or throw into fire. Do not use in high-temperature environments. If serious heating, swelling, or other abnormalities occur, stop using it immediately. ⑫Illustrations are for reference only. Product design and specifications are subject to change without prior notice. 1. Correct disposing of waste electrical and electronic equip- ment (WEEE) and symbol of the“crossed-out wheeled bin” The crossed-out wheeled bin on WEEE means that you are obliged by law to dispose of this equipment separately from the unsorted municipal waste collection system. Disposing of it in the residual waste bin, the yellow bin or yellow bag for recyclable materials is legally prohibited. If the equipment contains portable batteries, accumulators or lamps that are not permanently installed,these must be removed before disposing of the product and be disposed of separately as waste portable batteries. 2. Ways of returning waste electrical and electronic equipment Owners of waste electrical and electronic equipment can return them to those facilities for returning or collecting waste electrical and electronic equipment set up and provided by the public-sector waste disposal authorities or alternatively with collection points installed by produc- ers, retailers or distant sellers to ensure that the waste electrical and electronic equipment is disposed of correctly. The following link leads to an online registry of the available collection and take-back sites: https://e-schrott-entsorgen.org/ 3. Data privacy We should point out to all end-users of waste electrical and electronic equipment that they themselves are responsible for deleting all personal data from the waste electrical and electronic equipment to be disposed of. 1011121314 1516171819202122232425262728 在无遮挡环境下距离手机15m范围内均可正常使用。当手机与耳机超出正常使用距 离或有遮挡物时，都会造成播放断续或出现噪音的问题。 *小常识：真无线类耳机产品由于自身特性，在极个别无线干扰…

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Rev1/26/2023 NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-03-2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BR58-RITA [NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD.](“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. [NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD.](“theapplicant”)certifiesthattheequipmentfor whichauthorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovided byKasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegrated KasperskyLab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuant toDA-24-886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, DevinLin Rev1/26/2023 NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:12-03-2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BR58-RITA [NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD.](“theapplicant”)certifiesthat,asofthedateofthe filingoftheapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentity oranyofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, DevinLin

NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:December3,2025 SUBJECT:FCCID:2BR58-RITA ToWhomItMayConcern: I,theundersigned,herebystatesthisequipmenthasbeentestedandfoundtocomply withthelimitsforaClassBdigitaldevice,pursuanttopart15oftheFCCRules,and willapplytheSupplier'sDeclarationofConformityproceduretotheclassB computerperipheralportionofthiscompositedevice.IunderstandthefollowingFCC requirements: 1.DevicessubjecttotheSDoCprocedurearerequiredtobetestedtoshow compliancewiththeFCCtechnicalregulationsbyarecognizedaccreditedtesting laboratory.ThetestinglaboratorymustbeaccreditedbyaCommissionapproved accreditationbodyordesignatedunderthetermsofagovernment-to-government MutualRecognitionAgreement(MRA).Alistingofthoseaccreditedtesting laboratoriesthathavebeenrecognizedbytheCommissionispublishedontheFCC Webpage:https://apps.fcc.gov/oetcf/eas/reports/TestFirmSearch.cfm(Selectthe "accredited"optiontosearchforFCCrecognizedaccreditedtestfirms.) 2.Pt2.1077containsthelistofinformationthatmustbeincludedintheSupplier's DeclarationofConformity,whichmustbesuppliedwitheachproductsold.The SDoCcomplianceinfoshallbeincludedintheUser’sManualorasaseparate sheet.Theinfomustcontainthename,address,andphonenumberofthe responsibleparty,whichmustbelocatedwithintheUnitedStates.Accordingto 2.909(b),theresponsiblepartyiseithertheManufactureroriftheproductis importedtheImporter. Regards, DynessDigitalEnergyTechnologyCo.,LTD DevinLin -------------------------------

Rev11/20/07 NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BR58-RITA. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName* SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNII devices SCH.pdf OP.pdf Blockdiagram.pdf Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName* ExternalPhotos TestSetupPhotos InternalPhotos UserManual Sincerely, DevinLin

NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:December4,2025 SUBJECT:FCCID:2BR58-RITA ToWhomItMayConcern: We,theundersigned,herebyauthorizeAlexwangatShenzhenBANTEKTestingCo.,Ltd. onourbehalf,toapplytotheFederalCommunicationsCommissiononourequipment. Anyandallactscarriedoutby__ShenzhenBANTEKTestingCo.,Ltd.onourbehalfshall havethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, DevinLin

ReportNo.:BTEK250811046A01-T12 Page: 1 of 3 Appendix EUTPhotos forBTEK250811046A01-T12 ReportNo.:BTEK250811046A01-T12 Page: 2 of 3 EUTConstructionalDetails(EUTPhotos) EUTView1 EUTView2 EUTView3 ReportNo.:BTEK250811046A01-T12 Page: 3 of 3 EUTView4 EUTView5 EUTView6

ReportNo.:BTEK250811046A01-T12 Page: 1 of 1 LABELANDLOCATION FCCID:2BR58-RITA

ReportNo.:BTEK250811046A01-T12 Page: 1 of 5 Appendix EUTPhotos forBTEK250811046A01-T12 ReportNo.:BTEK250811046A01-T12 Page: 2 of 5 EUTConstructionalDetails(EUTPhotos) EUTView7 EUTView8 EUTView9 ReportNo.:BTEK250811046A01-T12 Page: 3 of 5 EUTView10 EUTView11 EUTView12 ReportNo.:BTEK250811046A01-T12 Page: 4 of 5 EUTView13 EUTView14 EUTView15 PCBANT ReportNo.:BTEK250811046A01-T12 Page: 5 of 5 EUTView16

ReportNo.:BTEK250811046A01E12 Page: 1 of 5 TESTREPORT ApplicationNo.:BTEK250811046A01-T12 Applicant:NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. AddressofApplicant:Room101,1stFloor,NanningInspireASEANInnovationCenter,33Yongfu Road,YongningDistrict,Nanning,Guangxi,China Manufacturer:NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. AddressofManufacturer:Room101,1stFloor,NanningInspireASEANInnovationCenter,33Yongfu Road,YongningDistrict,Nanning,Guangxi,China EquipmentUnderTest(EUT): EUTName:TANCHJIM-RITA TestModel.:RITA AddingModel(s):/ TradeMark:TANCHJIM FCCID:2BR58-RITA Standard(s): 47CFRPart2SubpartJSection2.1093 447498D01GeneralRFExposureGuidancev06 DateofReceiptSample(s): 2025-09-10 DateofTest: 2025-09-11to2025-09-24 DateofIssue: 2025-09-25 TestResult: Pass* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. AlexWang/Approved&Authorized EMCLaboratoryManager ReportNo.:BTEK250811046A01E12 Page: 2 of 5 RevisionRecord VersionIssueDateRevisionsRemarks V02025-09-25InitialValid Authorizedforissueby: KarlLiu/FileEditor JuneLi/Reviewer Remarks: Theresultsshowninthistestreportreferonlytothesample(s)tested,thistestreportcannotbe reproduced,exceptinfullwithoutpriorwrittenpermissionofthecompany.Thereportwouldbeinvalidwithout specificstampoftestinstituteandthesignaturesofcompilerandapprover. ReportNo.:BTEK250811046A01E12 Page: 3 of 5 2Contents Page 1CoverPage ...................................................................................................................................................................... 1 2Contents..........................................................................................................................................................3 3GeneralInformation........................................................................................................................................4 3.1DetailsofE.U.T.........................................................................................................................................4 3.2DescriptionofSupportUnits......................................................................................................................4 3.3TestLocation.............................................................................................................................................4 3.4DeviationfromStandards..........................................................................................................................4 3.5AbnormalitiesfromStandardConditions...................................................................................................4 4TestRequirement............................................................................................................................................5 4.1AssessmentResult.....................................................................................................................................5 ReportNo.:BTEK250811046A01E12 Page: 4 of 5 3GeneralInformation 3.1DetailsofE.U.T. Powersupply: Input:5V⎓1ArechargebyUSB-Cport Battery:3.7V⎓650mAh2.405Wh BLE FrequencyRange:2402MHzto2480MHz BluetoothVersion:V5.0BLE ModulationType:GFSK ChannelSpacing:2MHz DataRate:1Mbps NumberofChannels:40 AntennaType:PCBAntenna AntennaGain:0dBi BT FrequencyRange:2402MHzto2480MHz BluetoothVersion:V5.0classic ModulationType:GFSK,π/4DQPSK,8DPSK NumberofChannels:79 ChannelSpacing:1MHz AntennaType:PCBAntenna AntennaGain:0dBi SampleNo.: BTEK250811046A01E-1-1/1 Model(s)Difference Statement SingleModel. Multi-Models: 3.2DescriptionofSupportUnits DescriptionManufacturerModelNo.SerialNo. //// 3.3TestLocation Alltestswereperformedat: ShenzhenBANTEKTestingCo.,Ltd., A5&A6,BuildingB1&B2,No.45GangtouRoad,BogangCommunity,ShajingStreet,Bao'anDistrict, Shenzhen,Guangdong,China518103 Tel:0755-23344200Fax:0755-23344200 FCCRegistrationNumber:264293 DesignationNumber:CN1356 Notestsweresub-contracted. 3.4DeviationfromStandards None 3.5AbnormalitiesfromStandardConditions None ReportNo.:BTEK250811046A01E12 Page: 5 of 5 4TestRequirement KDB447498D01GeneralRFExposureGuidancev06,Clause4.3.1(b) [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)]•[√f(GHz)]≤ 3.0 Where -f(GHz)istheRFchanneltransmitfrequencyinGHz -PoweranddistanceareroundedtothenearestmWandmmbeforecalculation -Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis≤50mm,andfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto4.1f)isappliedtodetermineSARtestexclusion. 4.1AssessmentResult PassedNotApplicable Type Frequency (MHz) Conducted Power(dBm) Maximum Tune-up(dBm) Calculating data LimitResult BLE24023.013.50.693.0Pass BTClassic24026.857.01.553.0Pass Note:Theexposureevaluationsafetydistanceis5mm. -EndoftheReport-

RITA- Bluetooth Headphone Antenna Passive Testing Report 2025-09-18 •Manufacture Company： Dongguan Yinqu Technology Co,Ltd •Project name： RITA •Solution PCB antenna •End Product： Bluetooth headphones •Radio frequency (operating frequency)： Bluetooth (2400MHz-2482MHz) •Report Date： 2025-09-18 Project Information Antenna size Antenna characteristics Antenna characteristics Frequency/MhzPeak Gain/dBiEfficiency / % 2400 0.00 21.33 2410 -0.06 21.78 2420 -0.07 24.27 2430 -0.11 24.77 2440 -0.09 26.92 2450 -0.16 27.29 2460 -0.11 27.86 2470 -0.12 29.24 2480-0.1630.13 Phi 0 freq=2450MHzPhi 90 freq=2450MHz Theta 90 freq=2450MHz Antenna field pattern diagram Main testing equipment E5062ACMW500 Thank You

ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page1/54 RFTestReport ForBTEK250811046A01-T12 ProjectNo.:BTEK250811046A01E11 ProductDescription: 24.3°C,60%,101.6kPa TestEngineer:Zora TestDate:2025-09-11 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page2/54 TestSummary ItemResult BandwidthPass MaximumConductedOutputPowerPass CarrierFrequencySeparationPass NumberofHoppingFrequenciesPass TimeofOccupancy(DwellTime)Pass UnwantedEmissionsInNon-restrictedFrequencyBandsPass ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page3/54 1.Bandwidth 1.1TestResult 1.1.1OBW Mode TX Type Frequency (MHz) Packet Type ANT 99%OccupiedBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.875/Pass 2441DH510.875/Pass 2480DH510.887/Pass Pi/4DQPSKSISO 24022DH511.116/Pass 24412DH511.124/Pass 24802DH511.117/Pass 8DPSKSISO 24023DH511.135/Pass 24413DH511.131/Pass 24803DH511.140/Pass 1.1.220dBBW Mode TX Type Frequency (MHz) Packet Type ANT 20dBBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.950/Pass 2441DH510.965/Pass 2480DH510.957/Pass Pi/4DQPSKSISO 24022DH511.190/Pass 24412DH511.186/Pass 24802DH511.187/Pass 8DPSKSISO 24023DH511.199/Pass 24413DH511.201/Pass 24803DH511.200/Pass ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page4/54 1.2TestGraph 1.2.1OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page5/54 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page6/54 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page7/54 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page8/54 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page9/54 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page10/54 1.2.220dBBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page11/54 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page12/54 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page13/54 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page14/54 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page15/54 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page16/54 2.MaximumConductedOutputPower 2.1TestResult 2.1.1Power Mode TX Type Frequency (MHz) Packet Type MaximumPeakConductedOutputPower(dBm) Verdict ANT1Limit GFSKSISO 2402DH56.78<=30Pass 2441DH56.20<=30Pass 2480DH55.37<=30Pass Pi/4DQPSKSISO 24022DH56.83<=20.97Pass 24412DH56.25<=20.97Pass 24802DH55.42<=20.97Pass 8DPSKSISO 24023DH56.85<=20.97Pass 24413DH56.27<=20.97Pass 24803DH55.41<=20.97Pass Note1:AntennaGain:Ant1:0.00dBi; ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page17/54 2.2TestGraph 2.2.1Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page18/54 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page19/54 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page20/54 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page21/54 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page22/54 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page23/54 3.CarrierFrequencySeparation 3.1TestResult 3.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type ChannelSeparation (MHz) 20dBBandwidth (MHz) Limit (MHz) Verdict GFSKSISOHOPPDH51.0020.965>=0.965Pass Pi/4DQPSKSISOHOPP2DH50.9771.190>=0.793Pass 8DPSKSISOHOPP3DH51.0031.201>=0.801Pass ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page24/54 3.2TestGraph 3.2.1Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page25/54 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page26/54 8DPSK_3DH5_HOPP_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page27/54 4.NumberofHoppingFrequencies 4.1TestResult 4.1.1HoppNum Mode TX Type Frequency (MHz) Packet Type NumofHoppingFrequencies Verdict ANT1Limit GFSKSISOHOPPDH579>=15Pass Pi/4DQPSKSISOHOPP2DH579>=15Pass 8DPSKSISOHOPP3DH579>=15Pass ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page28/54 4.2TestGraph 4.2.1HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page29/54 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page30/54 8DPSK_3DH5_HOPP_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page31/54 5.TimeofOccupancy(DwellTime) 5.1TestResult 5.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Durationof SinglePulse(ms) Observation Period(s) NumofPulsein ObservationPeriod Dwell Time(ms) Limit (ms) Verdict GFSKSISOHOPPDH52.91831.600108315.144<=400Pass Pi/4DQPSKSISOHOPP2DH52.92631.600109318.934<=400Pass 8DPSKSISOHOPP3DH52.92631.600104304.304<=400Pass ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page32/54 5.2TestGraph 5.2.1Ant1 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page33/54 ShenzhenBANTEKTestingCo.,Ltd. ReportNo.:BTEK250811046A01E11 Page34/54 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV ShenzhenBANTEKTestingCo.,Ltd. Repo…

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ReportNo.:BTEK250811046A01E11 Page: 1 of 32 TESTREPORT ApplicationNo.:BTEK250811046A01-T12 Applicant:NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. AddressofApplicant:Room101,1stFloor,NanningInspireASEANInnovationCenter,33Yongfu Road,YongningDistrict,Nanning,Guangxi,China Manufacturer:NANNINGHEAVYHAMMERTECHNOLOGYCO.,LTD. AddressofManufacturer:Room101,1stFloor,NanningInspireASEANInnovationCenter,33Yongfu Road,YongningDistrict,Nanning,Guangxi,China EquipmentUnderTest(EUT): EUTName:TANCHJIM-RITA TestModel.:RITA AddingModel(s):/ TradeMark:TANCHJIM FCCID:2BR58-RITA Standard(s): 47CFRPart15,SubpartC15.247 KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceiptSample(s): 2025-09-10 DateofTest: 2025-09-11to2025-09-24 DateofIssue: 2025-09-25 TestResult: Pass* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. AlexWang/Approved&Authorized EMCLaboratoryManager ReportNo.:BTEK250811046A01E11 Page: 2 of 32 RevisionRecord VersionIssueDateRevisionsRemarks V02025-09-25InitialValid Authorizedforissueby: KarlLiu/FileEditor JuneLi/Reviewer Remarks: Theresultsshowninthistestreportreferonlytothesample(s)tested,thistestreportcannotbe reproduced,exceptinfullwithoutpriorwrittenpermissionofthecompany.Thereportwouldbeinvalidwithout specificstampoftestinstituteandthesignaturesofcompilerandapprover. ReportNo.:BTEK250811046A01E11 Page: 3 of 32 2TestSummary RadioSpectrumTechnicalRequirement StandardItemMethodRequirementResult 47CFRPart15, SubpartC15.247 AntennaRequirementN/A 47CFRPart15,Subpart C15.203&15.247(b)(4) Pass OtherrequirementsFrequency HoppingSpreadSpectrum SystemHoppingSequence N/A 47CFRPart15,Subpart C15.247(a)(1),(g),(h) Pass RadioSpectrumMatterPart StandardItemMethodRequirementResult 47CFRPart15, SubpartC15.247 ConductedEmissionsatAC PowerLine(150kHz-30MHz) ANSIC63.10(2020) Section6.2 47CFRPart15, SubpartC15.207 Pass ConductedPeakOutputPower ANSIC63.10(2020) Section7.8.5 47CFRPart15, SubpartC15.247(b)(1) Pass 20dBBandwidth ANSIC63.10(2020) Section7.8.6 47CFRPart15,Subpart C15.247(a)(1) Pass CarrierFrequenciesSeparation ANSIC63.10(2020) Section7.8.2 47CFRPart15,Subpart C15.247a(1) Pass HoppingChannelNumber ANSIC63.10(2020) Section7.8.3 47CFRPart15,Subpart C15.247a(1)(iii) Pass DwellTime ANSIC63.10(2020) Section7.8.4 47CFRPart15,Subpart C15.247a(1)(iii) Pass ConductedBandEdges Measurement ANSIC63.10(2013) Section7.8.7 47CFRPart15,Subpart C15.247(d) Pass ConductedSpuriousEmissions ANSIC63.10(2020) Section7.8.7 47CFRPart15,Subpart C15.247(d) Pass RadiatedEmissionswhichfallin therestrictedbands ANSIC63.10(2020) Section7.8.8 47CFRPart15,Subpart C15.205&15.209 Pass RadiatedSpuriousEmissions ANSIC63.10(2020) Section6.36.4,6.5,6.6 47CFRPart15,Subpart C15.205&15.209 Pass DeclarationofEUTFamilyGrouping: ModelNo.:SoundSpotII,SFQ-18havethesametheelectricalcircuitdesign,layout,componentsused,only modelnumberisdifference. ReportNo.:BTEK250811046A01E11 Page: 4 of 32 3Contents Page 1CoverPage......................................................................................................................................................................1 2TestSummary.................................................................................................................................................3 3Contents..........................................................................................................................................................4 4GeneralInformation........................................................................................................................................6 4.1DetailsofE.U.T.......................................................................................................................................................6 4.2EUTTestModeandTestCondition.....................................................................................................................6 4.3DescriptionofSupportUnits..................................................................................................................................6 4.4MeasurementUncertainty......................................................................................................................................7 4.5TestLocation...........................................................................................................................................................7 4.6DeviationfromStandards......................................................................................................................................7 4.7AbnormalitiesfromStandardConditions.............................................................................................................7 5EquipmentList................................................................................................................................................8 6RadioSpectrumTechnicalRequirement...................................................................................................10 6.1AntennaRequirement...........................................................................................................................................10 6.1.1TestRequirement:........................................................................................................................................10 6.1.2Conclusion.....................................................................................................................................................10 6.2OtherrequirementsFrequencyHoppingSpreadSpectrumSystemHoppingSequence.........................11 6.2.1TestRequirement:........................................................................................................................................11 6.2.2Conclusion.....................................................................................................................................................12 7RadioSpectrumMatterTestResults....................................................…

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ReportNo.:BTEK250811046A01-T12 Page: 1 of 2 Appendix SetupPhotos ForBTEK250811046A01-T12 ReportNo.:BTEK250811046A01-T12 Page: 2 of 2 Radiated Spurious Emissions (Below1GHz) Radiated Spurious Emissions (Above1GHz) Conducted Emission