2BB55-P1Smart watch

Changsha Wanghou Jiangxiang Technology Co., Ltd Room 402-K595, Buliding 10, Fengxing Machinery and Electronics Industrial Park, No. 2 Longyuan 5th Road, Furong District, Changsha City,Hunan, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-8-2 To whom it may concern: We, Changsha Wanghou Jiangxiang Technology Co., Ltd, hereby certify that the equipment for which authorization is sought FCC ID: 2BB55-P1 is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). 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. 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

FCC ID: 2BB55-P1 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2BB55-P1 TB-RF-074-1.0 Photo 3 Appearance of EUT

FCC ID: 2BB55-P1 TB-RF-074-1.0 AppendixI Label Smart watch FCC ID: 2BB55-P1 Model: P1 FCC ID: 2BB55-P1 TB-RF-074-1.0 Appendix II Label Location

FCC ID: 2BB55-P1 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 4 Internal of EUT Photo 5 Appearance of PCB & Battery BT/BLE Antenna FCC ID: 2BB55-P1 TB-RF-074-1.0 Photo 6 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202305-0171-11 Page: 1 of 3 TB-RF-074-1.0 1 A/F., Building.6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao’an, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2BB55-P1 1. Client Information Applicant : Changsha Wanghou Jiangxiang Technology Co., Ltd Address : Room 402-K595, Buliding 10, Fengxing Machinery and Electronics Industrial Park, No. 2 Longyuan 5th Road, Furong District, Changsha City, China Manufacturer : Hunan Wuwei Intelligent Technology Co., Ltd Address : 711-714, Building 3, Xinkang Road (Miaosheng Incubation Port), Economic and Technological Development Zone, Chengjiao Street, Ningxiang City, Changsha City, Hunan Province,China 2. General Description of EUT EUT Name : Smart watch Model(s) No. : P1, B5, B6, B7, B9, B8, B8Pro, B60, B61, B62, B63, B64, B65, B66, B67, B68, B69, P2, P3, P4, P5, P6, P7, P8, P9, D1, D2, D3, D4, D5, D6, D7, D8, D9, KM21, KM31, KM13Pro, KM20, KM15, X2C, X2C N2, X3C, X27, L1, L2, L3, L4, L5, L6, Z1, Z2, Z3, Z4, Z5, Z6 Model Difference : All PCB boards and circuit diagrams are the same, the only difference is that appearance. Product Description : Operation Frequency: Bluetooth 5.3: 2402MHz~2480MHz Bluetooth 5.3(BLE): 2402MHz~2480MHz Number of Channel: Bluetooth 5.3: 79 channels Bluetooth 5.3(BLE):40 channels Antenna Gain: -2.87dBi Wire Antenna Modulation Type: GFSK, Pi/4-DQPSK Bluetooth LE:1/2Mbps Bit Rate of Transmitter: 1/2Mbps Power Supply : Input: DC 5V/1A Li-ion Polymer Battery : DC 3.7V by 250mAh Rechargeable Li-ion battery Software Version : V1.0 Hardware Version : V1.0 Remark: The antenna gain provided by the applicant, the adapter and verified for the RF conduction test and adapter provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TBR-C-202305-0171-11 Page: 2 of 3 TB-RF-074-1.0 SAR Test Exclusion Calculations 1. FCC: According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤7.5.0 for 10-g SAR Report No.: TBR-C-202305-0171-11 Page: 3 of 3 TB-RF-074-1.0 2. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 3.436 3±1 4 2.512 0.779 3.0 2.441 2.515 3±1 4 2.512 0.785 3.0 2.480 2.053 2±1 3 1.995 0.628 3.0 Bluetooth Mode (Pi/4-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 4.2 4±1 5 3.162 0.980 3.0 2.441 3.245 3±1 4 2.512 0.785 3.0 2.480 2.77 3±1 4 2.512 0.791 3.0 Bluetooth LE Mode(1Mbps) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 3.436 3±1 4 2.512 0.779 3.0 2.440 2.417 2±1 3 1.995 0.623 3.0 2.480 1.925 2±1 3 1.995 0.628 3.0 Bluetooth LE Mode(2Mbps) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 3.535 4±1 5 3.162 0.980 3.0 2.440 2.643 3±1 4 2.512 0.785 3.0 2.480 2.171 2±1 3 1.995 0.628 3.0 Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06. -----END OF REPORT-----

ShenzhenMayacommunicationequipmentCo.,LTD Model:YD-01 Date：2023.07.27 -1- Productspecificationacknowledgment. ShenzhenMayaantennalab R&DcenterinShenZhen Themobilecommunicationterminalantenna PRODUCTNAME Bluetoothwire0.8*25 CUSTOMERNAME ShenzhenMayacommunicationequipmentCo.,LTD Site：Asecondfloor,minqingroad,minqingroad,longhuastreet,baoandistrict,shenzhencity. Tel:86-755-82916162Fax:86-755-82916227 accountpartyDevelopmentparty Customeracknowledges Quality Department R&DDepartmentapprovedby Date：年月日Date：年月日 ShenzhenMayacommunicationequipmentCo.,LTD Model:YD-01 Date：2023.07.27 -2- 1.aim FortheProductionfromshenzhenmayacommunicationequipmentco.,LTD.Thatmobile communicationterminalantennaproductspecificationsandtestmethodsforspecification, avoidthetestconditions,theerrorcausedbydifferentmethods 2.Antennadebugdesignrequirementfrequencyband. frequency frequencyband BT2.4GHZ other / 3.Productcellphoneandskychart. Theantenna ShenzhenMayacommunicationequipmentCo.,LTD Model:YD-01 Date：2023.07.27 -3- 4.electrical 4.1Testmethoddescriptionanddata. Devicenameuse VectorNetworkAnalyzerS11/Impedance/PassiveTest Agilent8960 SP6010 R&SCMU200 GSM,GPRS,EDGE,CDMA2000,1xev-do, td-scdma,WCDMA,HSDPAmobilephonemobile communicationequipmenttest. R&SCMW500 MT8820C Includingtd-scdma,WCDMA, HSDPA,LTE,WIFI,GPSmobilephonemobile communicationequipmenttest. AgilentE4438C TestactiveGPS MVGChamber PassiveTest/OTAactiveTest/Efficiency/Gain 4.2PassiveTestReport Testequipment:networkanalyzer. Testmethod:witha50ohmCABLECABLEfromtheinstrumenttestportisderived,usingthe calibrationafteracalibrationmechanismofSMAconnector,connectinghandrecordsrelatedtothe frequencypointscorrespondingreturnlossandstandingwaveratiodata. ShenzhenMayacommunicationequipmentCo.,LTD Model:YD-01 Date：2023.07.27 -4- 4.3ActiveTestReport TRP/TIS Fromtestingtools,measuring,networkanalyzer,fullwavesfarfieldETS,FrenchMVGSG24LT (Satmio)nearfield3dmicrowavedarkroom,thehighprecisionpositioningsystemandits controllerandthecomputerwithautomatictestproceduretestenvironment:thetemperatureof 22°C+3°C,humidity60%plusorminus60%testmethods:UsingESTor24ltSatimosystem softwareTestmethodandcalculationofTRPwhentestedTRP,DUT(DeviceUnderTest)isina stateofmaximumtransmittedpower,includingthreetochoosechannelTest,bypositioningsystem controlthelocationoftheDUT,with15degreesforsteplength,measuringthreedimensional space,theeffectiveradiatedpower(EIRP)atvariouspointsthroughtheaverageoftheintegral sphere,computationformulaisasfollows InTIStest,theDUTatthemaximumtransmissionpowerofthestate,includingthreetochoose channeltest,bycontrollingthelocationoftheDUT,at30degreesforthesteplength,measuring thethreedimensionalspaceeachpointreceivingsensitivity,theaverageofthespherebyintegral calculation,calculationformulaisasfollows: ShenzhenMaya communication equipment Co., LTD Model:YD-01 Date：2023.07.27 - 5 - 5.Bluetooth gain ShenzhenMayacommunicationequipmentCo.,LTD Model:YD-01 Date：2023.07.27 -6- 6. structuraldrawings ShenzhenMayacommunicationequipmentCo.,LTD Model:YD-01 Date：2023.07.27 -7- 7.WarningSign 1.Thesectiononperformanceandstructurevalidation ★Pleaseconfirmtheappearanceandperformanceoftheproductbeforeyousign theacknowledgement. ★Pleasebesuretoprovidethefinalmassproductiontrialproductionmachine toourcompanyortakebackourcompanyverificationbeforemassproduction ★Astheproductofthisacknowledgementisahighlysensitiveobject,please besuretokeepthetestingmachineforfollow-up ★Asthisproductisacustom-madeobject,theuseofthetargeted,customers inmaterialreplacementorfornon-designateditems,pleasebesuretochange thematerialornon-designateditemsofthemachinesenttoourcompanytoverify theradio-frequencyperformance,otherwise,maycausetheusestateandthe designstateinconsistentserioushiddendanger,toourcompanysealeddebugging samplefunctionconfirmation,ensureourcompanydebuggingsamplefunction completelynormal,preventfunctionabnormaltotheantennaperformanceerror causedbytheantennaperformance 2.Aboutproductstorage ★Asthisproducthasprintinginkonthesurface,adhesiveonthebackand electroplate,pleasemakesurethetemperatureisbetween23°c-27°Candthe relativehumidityisbelow60%duringstorageortransportation,nostrongacid, nosulfur,nooxygenstorageortransportenvironment ★Astheproductbackglueontheenvironmentrequirementsaremorestringent, pleasecustomersmustbereceivedaftertheproduct,intheproductquality guaranteeperiodtoensurethereliabilityoftheproduct 3.Tipsforusingtheproduct ★Duetothespecialstructureofthisproduct,pleaseusethisproductmustbe infullcontactwiththepastedobjects,andpastedobjectsmustnotberesidual chemicals(releaseagent,etc.)orasfaraspossibledonotusetherawmaterials withreleaseagent,toensurethattheproductisingoodworkingcondition, pleasecleanthesurfaceofthepastedarticlebeforeusingtheproducttoensure thatthereisnochemicalresidueonthesurfaceofthepastedarticle 4.StatementofQualityAssuranceforthisproduct ★Thisproductqualityguaranteeperiodis12months,ifyouruseandstorage environmenttomeettheaboverequirements,inthevalidguaranteeperiodofany qualityproblems,anddeterminedthatourproductsareabnormal,ourcompanycan providefreereplacementservices,after12months,ourproductsprovide life-longconsultationandpaidreplacementservices ★Thisproductisaspecialcustomdevice,pleasereceivetheproductmustwithin 3workingdaysoftheproductquantityconfirmation

Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 1 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 RF Test Data for Bluetooth(BDR+EDR) (Conducted Measurements) General Description of EUT Product Name: Smart watch Test Model: P1 Sample ID: 202305-0171-4-2# Environmental Conditions Temperature: 25°C Relative Humidity: 55% Test Voltage: DC 3.7V Test Engineer: Huang jian ping Note: For a more detailed features description, please refer to the TBR-C-202305-0171-6 The report only show the worst case data. Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 2 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 Contents 1. Maximum Conducted Output Power ..................................................................................................................................................... 3 2. -20dB Bandwidth ..................................................................................................................................................................................... 7 3. Occupied Channel Bandwidth ............................................................................................................................................................. 11 4. Band Edge ............................................................................................................................................................................................. 15 5. Band Edge(Hopping) ............................................................................................................................................................................ 20 6. Conducted RF Spurious Emission ...................................................................................................................................................... 25 7. Restrict Band ......................................................................................................................................................................................... 30 8. Carrier Frequencies Separation .......................................................................................................................................................... 35 9. Number of Hopping Channel ............................................................................................................................................................... 37 10. Dwell Time ........................................................................................................................................................................................... 39 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 3 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 1. Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 Ant1 3.436 21 Pass NVNT 1-DH1 2441 Ant1 2.515 21 Pass NVNT 1-DH1 2480 Ant1 2.053 21 Pass NVNT 2-DH1 2402 Ant1 4.2 21 Pass NVNT 2-DH1 2441 Ant1 3.245 21 Pass NVNT 2-DH1 2480 Ant1 2.77 21 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 4 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 Test Graphs Power NVNT 1-DH1 2402MHz Ant1 Power NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 5 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 Power NVNT 1-DH1 2480MHz Ant1 Power NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 6 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 Power NVNT 2-DH1 2441MHz Ant1 Power NVNT 2-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 7 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 2. -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Limit -20 dB Bandwidth (MHz) Verdict NVNT 1-DH1 2402 Ant1 0.88 0 Pass NVNT 1-DH1 2441 Ant1 0.85 0 Pass NVNT 1-DH1 2480 Ant1 0.86 0 Pass NVNT 2-DH1 2402 Ant1 1.25 0 Pass NVNT 2-DH1 2441 Ant1 1.24 0 Pass NVNT 2-DH1 2480 Ant1 1.26 0 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 8 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 Test Graphs -20dB Bandwidth NVNT 1-DH1 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 9 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 -20dB Bandwidth NVNT 1-DH1 2480MHz Ant1 -20dB Bandwidth NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202305-0171-6 Page: 10 of 42 FCC ID: 2BB55-P1 TB-RF-074-1.0 -20dB Bandwidth NVNT 2-DH1 2441MHz Ant1 -20dB Bandwidth NVNT 2-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202305-0171-6 Page: 1 of 46 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Radio Test Report FCC ID: 2BB55-P1 Report No. : TBR-C-202305-0171-6 Applicant : Changsha Wanghou Jiangxiang Technology Co., Ltd Equipment Under Test (EUT) EUT Name : Smart watch Model No. : P1 Series Model No. : Please refer to page 6 Brand Name : ---- Sample ID : 202305-0171-4-1# & 202305-0171-4-2# Receipt Date : 2023-07-18 Test Date : 2023-07-18 to 2023-08-01 Issue Date : 2023-08-01 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Seven Wu Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202305-0171-6 Page: 2 of 46 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 6 1.1 Client Information ................................................................................................................. 6 1.2 General Description of EUT (Equipment Under Test) ................................................... 6 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 8 1.4 Description of Support Units .............................................................................................. 8 1.5 Description of Test Mode .................................................................................................... 9 1.6 Description of Test Software Setting .............................................................................. 10 1.7 Measurement Uncertainty ................................................................................................ 10 1.8 Test Facility ......................................................................................................................... 11 2. TEST SUMMARY ..................................................................................................................... 12 3. TEST SOFTWARE ................................................................................................................... 12 4. TEST EQUIPMENT .................................................................................................................. 13 5. CONDUCTED EMISSION ....................................................................................................... 15 5.1 Test Standard and Limit .................................................................................................... 15 5.2 Test Setup ........................................................................................................................... 15 5.3 Test Procedure ................................................................................................................... 15 5.4 Deviation From Test Standard ......................................................................................... 16 5.5 EUT Operating Mode ........................................................................................................ 16 5.6 Test Data ............................................................................................................................. 16 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 17 6.1 Test Standard and Limit .................................................................................................... 17 6.2 Test Setup ........................................................................................................................... 19 6.3 Test Procedure ................................................................................................................... 20 6.4 Deviation From Test Standard ......................................................................................... 21 6.5 EUT Operating Mode ........................................................................................................ 21 6.6 Test Data ............................................................................................................................. 21 7. EMISSIONS IN RESTRICTED BANDS ............................................................................... 22 7.1 Test Standard and Limit .................................................................................................... 22 7.2 Test Setup ........................................................................................................................... 22 7.3 Test Procedure ................................................................................................................... 23 7.4 Deviation From Test Standard ......................................................................................... 25 Report No.: TBR-C-202305-0171-6 Page: 3 of 46 TB-RF-074-1.0 7.5 EUT Operating Mode ........................................................................................................ 25 7.6 Test Data ............................................................................................................................. 25 8. 99% OCCUPIED AND 20DB BANDWIDTH ........................................................................ 26 8.1 Test Standard and Limit ......................................…

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FCC ID: 2BB55-P1 TB-RF-074-1.0 Appendix V EUT Test Photographs Photo of Setup for Radiated Emission (30MHz~1GHz) Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID: 2BB55-P1 TB-RF-074-1.0 Photo of Setup for Conducted Emission -----END OF REPORT-----