2BCWB-LC31Smart Watch

Smartwatch Instruction Manual App only This app is not a medical device. Data obtainedduring the use of this app is for reference only, and should not be used for clinical diagnosis, medical research, diagnostic, or treatment purposes. APP "FitCloudPro" downloading Android: Search for FitCloudPro in the App market place to download it. l0S: Search FitCloudPro in the App Store for downloading Or download it by scanning the QR code. Procedure for Wireless connection Connect to wireless: Open the FitCloudpro APP, please turn on the wireless function of the phone and the watch. When searching for wireless, you can use the wireless name or MAC address of the watch. Please make sure that the watch is not bound to other accounts, and the watch and the phone are as close as possible. Before using wireless to make a call, ensure that the call icon in the watch control screen is open, so that you can search the wireless of the watch normally. Open the About interface under the Watch Settings menu. After the watch binding is successful, the watch will automatically connect with the mobile phone every time you open the client. You can synchronize data by dropping down on the client data page. Key function Top left corner key : Flashlight button Bottom left button: Sports mode key Right top corner key: Screen on/off button Right bottom button: Menu key/Return key FCC Statement 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. 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. lf 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. Smartwatch Bedienungsanleitung Nur App Diese App ist kein medizinisches Gerät. Daten, die während der Nutzung dieser App erhalten werden, dienen nur als Referenz und sollten nicht für klinische Diagnose und medizinische Forschung, Diagnose oder Behandlung verwendet werden. APP "FitCloudPro" herunterladen Android: Suchen Sie im App-Marktplatz nach FitCloudPro, um es herunterzuladen. l0S: Suchen Sie FitCloudPro im App Store zum Herunterladen oder laden Sie es herunter, indem Sie den QR-Code scannen. Verfahren für die drahtlose Verbindung Mit Wireless verbinden: Öffnen Sie die FitCloudpro APP, schalten Sie bitte die Wireless-Funktion des Telefons und der Uhr ein. Bei der Suche nach Wireless können Sie den Wireless-Namen oder die MAC-Adresse der Uhr verwenden. Bitte stellen Sie sicher, dass die Uhr nicht an andere Konten gebunden ist und dass die Uhr und das Telefon so nah wie möglich sind. Bevor Sie Wireless verwenden, um einen Anruf zu tätigen, stellen Sie sicher, dass das Anrufsymbol auf dem Bildschirm der Uhrensteuerung geöffnet ist, damit Sie das WLAN der Uhr normal durchsuchen können. Öffnen Sie die Info-Schnitt- stelle im Menü Watch Settings. Nachdem die Uhrenbind- ung erfolgreich ist, verbindet sich die Uhr automatisch mit dem Mobiltelefon jedes Mal, wenn Sie den Client öffnen. Sie können Daten synchronisieren, indem Sie auf der Clientdatenseite nach unten klicken. Schlüsselfunktion Taste links oben: Taschenlampe Taste Unten links Taste: Sportmodus Taste Taste rechts oben: Bildschirm ein/aus Taste Taste rechts unten: Menütaste/Return Taste FCC-Erklärung Dieses Gerät entspricht Teil 15 der FCC-Regeln. Der Betrieb unterliegt den folgenden zwei Bedingungen: (1) dieses Gerät darf keine schädlichen Störungen verursachen und (2) dieses Gerät muss alle empfangenen Störungen akzeptieren, einschließlich Störungen, die unerwünschten Betrieb verursachen können. Änderungen oder Modifikationen, die nicht ausdrücklich von der für die Einhaltung Verantwortlichen genehmigt wurden, können die Berechtigung des Benutzers zum Betrieb der Geräte aufheben. HINWEIS: Dieses Gerät wurde getestet und erfüllt die Grenzwerte für ein digitales Gerät der Klasse B gemäß Teil 15 der FCC-Regeln. Diese Grenzwerte sollen einen angemessenen Schutz vor schädlichen Störungen in einer Wohnanlage bieten. Dieses Gerät erzeugt Nutzungen und kann Hochfrequenzenergie ausstrahlen und kann, wenn es nicht gemäß den Anweisungen installiert und verwendet wird, schädliche Störungen der Funkkommunikation verursachen. Es besteht jedoch keine Garantie dafür, dass in einer bestimmten Installation keine Störungen auftreten. Wenn dieses Gerät schädliche Störungen des Radio- oder Fernsehempfangs verursacht, die durch Ausschalten und Einschalten des Geräts festgestellt werden können, wird der Benutzer aufgefordert, die Störung durch eine oder mehrere der folgenden Maßnahmen zu korrigieren: Die Empfangsantenne neu ausrichten oder verschieben. Erhöhen Sie die Trennung zwis…

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CoveredEquipmentAttestationLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(5)(i)-(ii)oftheCommission’sRules(47C.F.R.)weattestas followsfortheproductlistedbelow: FCCIDModelname 2BCWB-LC31LC31,LC11,LC41,LC51,LC61,LC71,LC81, LC91,LC101,LC111,OCEAN We, Applicant CompanyName:ShenzhenBaixingchengTechnologyCo.,LTD Address:206,No.8ShengtaiRoad,Sanwei community,HangchengStreet,Baoan District,Shenzhen,China Phone:15889762085 certifythattheequipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules.Thisincludesthecybersecurityandanti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofit’ssuccessorsandassignees. Wecertifythat,asofthedateofthefilingoftheapplication,theapplicantisnotidentified ontheCoveredListasanentityproducing“covered”equipment. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, SignatureDate:2025-11-20 PrintedNameofSignee:JinzhongLi/Manager Company:ShenzhenBaixingchengTechnologyCo.,LTD Address:206,No.8ShengtaiRoad,Sanweicommunity,HangchengStreet,BaoanDistrict, Shenzhen,China Phone:15889762085Fax:15889762085 Email:[email protected]

ShenzhenBaixingchengTechnologyCo.,LTD Add:206,No.8ShengtaiRoad,Sanweicommunity,HangchengStreet,BaoanDistrict, Shenzhen,China Date:2025-11-20 FCCID:2BCWB-LC31 DearSir/Madam, We,ShenzhenBaixingchengTechnologyCo.,LTDHerebydeclaresthefollowingstatement forFederalCommunicationsCommission,PCBboard,circuit,structureandinternalofthese model(s)arethesame,Onlyappearancecolorandmodelnameisdifferentforthesemodel: Productname:SmartWatch Modelno.:LC31,LC11,LC41,LC51,LC61,LC71,LC81,LC91,LC101,LC111,OCEAN Sincerely, Name/Title ： JinzhongLi/Manager Company: ShenzhenBaixingchengTechnologyCo.,LTD Address: 206,No.8ShengtaiRoad,Sanweicommunity, HangchengStreet,BaoanDistrict,Shenzhen,China Phone: 15889762085 Fax: 15889762085 E-Mail: [email protected]

ConfidentialityRequestLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoParagraphs§0.457and0.459oftheCommission’sRules(47C.F.R.)andSection §552(b)(4)oftheFreedomofInformationAct,werequestconfidentialityforthe documentationofthefollowingproducts: FCCIDModelname 2BCWB-LC31LC31,LC11,LC41,LC51,LC61,LC71,LC81, LC91,LC101,LC111,OCEAN Fortheproductslistedabove,werequestpermanentconfidentialityforallapplicable exhibitsasthereare: theOperationalDescription theBlockDiagram theSchematics Theabovelistedexhibitscontaintradesecretsandproprietaryinformationthatcouldbeof benefittoourcompetitors. Ifyouhaveanyquestions,pleasefeelfreetocontactusattheaddressshownbelow. Sincerely, Signature Date:2025-11-20 PrintedNameofSignee: JinzhongLi/Manager Company:ShenzhenBaixingchengTechnologyCo.,LTD Address:206,No.8ShengtaiRoad,Sanweicommunity,HangchengStreet,BaoanDistrict, Shenzhen,China Phone:15889762085Fax:15889762085 Email:[email protected]

FCC ID:2BCWB-LC31 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 7 Appearance of EUT Photo 8 Appearance of EUT FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 9 Appearance of EUT Photo 10 Appearance of EUT

FCC ID:2BCWB-LC31 TB-RF-074-1.0 Appendix I Label Appendix II Label Location FCC ID:2BCWB-LC31

FCC ID:2BCWB-LC31 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 11 Internal of EUT Photo 12 Appearance of PCB FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 13 Appearance of PCB Photo 14 Appearance of PCB & Battery FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 15 Appearance of PCB & Battery Photo 16 Appearance of PCB Ant FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo 17 Appearance of PCB Photo 18 Appearance of Battery

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202507-0084-7 Page: 1 of 8 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 Maximum Permissible Exposure Evaluation FCC ID: 2BCWB-LC31 Original Grant Report No. : TBR-C-202507-0084-7 Applicant : Shenzhen Baixingcheng Technology Co., LTD Equipment Under Test (EUT) EUT Name : Smart Watch Model No. : LC31 Series Model No. : Please Refer To Page 4 Brand Name : ---- Sample ID : HC-C-202507-0084-01-01# & HC-C-202507-0084-01-02# Receipt Date : 2025-11-05 Test Date : 2025-11-05 to 2025-11-20 Issue Date : 2025-11-20 Standards : FCC Part 2.1093 Test Method : KDB 447498 D01 General RF Exposure Guidance v06 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Lily Zhang Reviewed By : Camille Li Approved By : Ivan Su 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-202507-0084-7 Page: 2 of 8 TB-RF-074-1.0 CONTENTS CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 4 1.1 Client Information ........................................................................................................... 4 1.2 General Description of EUT (Equipment Under Test) ................................................... 4 1.3 Measurement Uncertainty .................................................................................................. 5 1.4 Test Facility ........................................................................................................................... 6 2. SAR TEST EXCLUSION CALCULATIONS .......................................................................... 7 Report No.: TBR-C-202507-0084-7 Page: 3 of 8 TB-RF-074-1.0 Revision History Report No. Version Description Issued Date TBR-C-202507-0084-7 Rev.01 Initial issue of report 2025-11-20 Report No.: TBR-C-202507-0084-7 Page: 4 of 8 TB-RF-074-1.0 1. General Information about EUT 1.1 Client Information Applicant : Shenzhen Baixingcheng Technology Co., LTD Address : 206, No.8 Shengtai Road, Sanwei community, HangchengStreet, Baoan District, Shenzhen, China Manufacturer : Shenzhen Baixingcheng Technology Co., LTD Address : 206, No.8 Shengtai Road, Sanwei community, HangchengStreet, Baoan District, Shenzhen, China 1.2 General Description of EUT (Equipment Under Test) EUT Name : Smart Watch Models No. : LC31, LC11, LC41, LC51, LC61, LC71, LC81, LC91, LC101, LC111, OCEAN Model Different : All these models are identical in the same PCB, layout and electrical circuit, The only difference is appearance color and model name. Product Description : Operation Frequency: Bluetooth V5.4 (BR+EDR): 2402MHz~2480MHz Antenna Gain: -7.13dBi Wire Antenna Power Rating : Input: DC 5V, 1A Li-ion Polymer Battery : 3.7V by 300mAh Rechargeable Li-ion battery Software Version : 8195-Z2950-100 Hardware Version : Z2950V1.0 Remark: The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible. Report No.: TBR-C-202507-0084-7 Page: 5 of 8 TB-RF-074-1.0 1.3 Measurement Uncertainty The reported uncertainty of measurement y±U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %. Test Item Parameters Expanded Uncertainty (ULab) Conducted Emission Level Accuracy: 9kHz~150kHz 150kHz to 30MHz ±3.50 dB ±3.10 dB Radiated Emission Level Accuracy: 9kHz to 30 MHz ±4.60 dB Radiated Emission Level Accuracy: 30MHz to 1000 MHz ±4.50 dB Radiated Emission Level Accuracy: Above 1000MHz ±4.20 dB Temperature / ±0.6°C Humidity / ±4% Supply voltages / ±2% Time / ±4% Report No.: TBR-C-202507-0084-7 Page: 6 of 8 TB-RF-074-1.0 1.4 Test Facility The testing report were performed by the Shenzhen Toby Technology Co., Ltd., in their facilities located at 1/F., Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. At the time of testing, the following bodies accredited the Laboratory: CNAS (L5813) The Laboratory has been accredited by CNAS to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the competence in the field of testing. And the Registration No.: CNAS L5813. A2LA Certificate No.: 4750.01 The laboratory has been accredited by American Association for Laboratory Accreditation(A2LA) to ISO/IEC 17025：2017 General Requirements for the Competence of Testing and Calibration Laboratories for the technical competence in the field of Electrical Testing. And the A2LA Certificate No.: 4750.01.FCC Accredited Test Site Number: 854351. Designation Number: CN1223. IC Registration No.: (11950A) The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. The site registration: Site# 11950A. CAB identifier: CN0056. Report No.: TBR-C-202507-0084-7 Page: 7 of 8 TB-RF-074-1.0 2. SAR Test Exclusion Calculations 2.1 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,…

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。。 6th Floor, Jihao Building, No.1086 Shennan East Road, Luohu District 福贝特国际〈香港〉有限公司 FBETTER INTERNATIONAL (H.K) TECHNOLOGY CO., LIMITED Notesforantennainstallation Length Notesforantennainstallation Electronicwireinstallationrecommendations: 1:Theelectronlinelengthisinthe24.60mm. 2:Theelectronicwireisinstalledonthesideofthehorn. 3:Theendoftheelectronicwireisfixedwithadhesive papertomaketheconsistencyofthebatchproductiongood. Antennaparameters Freq2.4GHz2.5GHzspce VSWR1.481.79 ＜ 2 LogMag-14.15-10.93 ＜ -10 Antennaparameters Frequency/MhzEfficiency / %Gain/dBi 24004.2-7.13 24104.21-7.3 24204.33-7.43 24304.38-7.69 24404.4-7.9 24504.66-7.84 24604.8-7.75 24705.01-7.56 24804.7-7.7 24904.65-7.62 25004.29-7.99 Themeasureddistanceontheroofofthebuilding Project T11-N Testdate 2024.5.9 Software release Testlocation Themeasureddistanceontheroofofthe building Model Measuringdistance Metalwatchband Non-metallic watchband IOS Positiveeffective distance (≥15m) 1817 Backeffectivedistance (≥10m) 106 Android Positiveeffective distance (≥15m) 1818 Backeffectivedistance (≥10m) 99 谢谢，合作愉快！ Thank You! The Concepts National Income And National Product Have Roughly The Same Value And Can Be Used Interchangeably If Our Interest Is In Their

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-202507-0084-9 Page: 1 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 RF Test Data for Bluetooth (Conducted Measurements) General Description of EUT Product Name: Smart Watch Test Model: LC31 Sample ID: HC-C-202507-0084-01-01# Environmental Conditions Temperature: 25°C Relative Humidity: 55% Test Voltage: DC 3.7V Test Engineer: Lily Zhang Note: For a more detailed features description, please refer to the report TBR-C-202507-0084-9 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-202507-0084-9 Page: 2 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 Contents 1.Dwell Time ........................................................................................................................................................................................... 3 2.Duty Cycle ............................................................................................................................................................................................ 9 3.Maximum Conducted Output Power ................................................................................................................................................ 15 4.-20dB Bandwidth ............................................................................................................................................................................... 21 5.Occupied Channel Bandwidth .......................................................................................................................................................... 27 6.Band Edge ......................................................................................................................................................................................... 33 7.Band Edge(Hopping) ......................................................................................................................................................................... 40 8.Conducted RF Spurious Emission ................................................................................................................................................... 47 9.Restrict Band ..................................................................................................................................................................................... 57 10.Carrier Frequencies Separation ...................................................................................................................................................... 64 11.Number of Hopping Channel .......................................................................................................................................................... 67 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-202507-0084-9 Page: 3 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 1.Dwell Time Condition Mode Frequency (MHz) Antenna Pulse Time (ms) Total Dwell Time (ms) Period Time (ms) Limit (ms) Verdict NVNT 1-DH1 2441 Ant1 0.394 126.08 31600 400 Pass NVNT 1-DH3 2441 Ant1 1.65 264 31600 400 Pass NVNT 1-DH5 2441 Ant1 2.899 309.227 31600 400 Pass NVNT 2-DH1 2441 Ant1 0.404 129.28 31600 400 Pass NVNT 2-DH3 2441 Ant1 1.656 264.96 31600 400 Pass NVNT 2-DH5 2441 Ant1 2.905 309.867 31600 400 Pass NVNT 3-DH1 2441 Ant1 0.405 129.6 31600 400 Pass NVNT 3-DH3 2441 Ant1 1.655 264.8 31600 400 Pass NVNT 3-DH5 2441 Ant1 2.906 309.973 31600 400 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-202507-0084-9 Page: 4 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 Test Graphs Dwell NVNT 1-DH1 2441MHz Ant1 Dwell NVNT 1-DH3 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-202507-0084-9 Page: 5 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 Dwell NVNT 1-DH5 2441MHz Ant1 Dwell NVNT 2-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-202507-0084-9 Page: 6 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 Dwell NVNT 2-DH3 2441MHz Ant1 Dwell NVNT 2-DH5 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-202507-0084-9 Page: 7 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 Dwell NVNT 3-DH1 2441MHz Ant1 Dwell NVNT 3-DH3 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-202507-0084-9 Page: 8 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 Dwell NVNT 3-DH5 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-202507-0084-9 Page: 9 of 69 FCC ID:2BCWB-LC31 TB-RF-074-1.0 2.Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT 1-DH5 2402 Ant1 77.36 1.11 0.34 NVNT 1-DH5 2441 Ant1 77.36 1.11 0.34 NVNT 1-DH5 2480 Ant1 77.36 1.11 0.34 NVNT 2-DH5 2402 Ant1 77.52 1.11 0.34 NVNT 2-DH5 2441 Ant1 77.55 1.1 0.34 NVNT 2-DH5 2480 Ant1 77.52 1.11 0.34 NVNT 3-DH5 2402 Ant1 77.59 1.1 0.34 NVNT 3-DH5 2…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202507-0084-9 Page: 1 of 41 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: 2BCWB-LC31 Original Grant Report No. : TBR-C-202507-0084-9 Applicant : Shenzhen Baixingcheng Technology Co., LTD Equipment Under Test (EUT) EUT Name : Smart Watch Model No. : LC31 Series Model No. : Please Refer To Page 5 Brand Name : ---- Sample ID : HC-C-202507-0084-01-01# & HC-C-202507-0084-01-02# Receipt Date : 2025-11-05 Test Date : 2025-11-05 to 2025-11-20 Issue Date : 2025-11-20 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2020+Cor.1:2023+C63.10a: 2024+Errata to C63.10a: 2024 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Test By : Lily Zhang Reviewed By : Camille Li Approved By : Ivan Su 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-202507-0084-9 Page: 2 of 41 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................ 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5 1.1 Client Information ................................................................................................................ 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 7 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode ................................................................................................... 8 1.6 Description of Test Software Setting ................................................................................ 9 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility......................................................................................................................... 10 2. TEST SUMMARY..................................................................................................................... 11 3. TEST SOFTWARE .................................................................................................................. 11 4. TEST EQUIPMENT AND TEST SITE .................................................................................. 12 5. CONDUCTED EMISSION ...................................................................................................... 13 5.1 Test Standard and Limit ................................................................................................... 13 5.2 Test Setup........................................................................................................................... 13 5.3 Test Procedure .................................................................................................................. 13 5.4 Deviation From Test Standard......................................................................................... 13 5.5 EUT Operating Mode ........................................................................................................ 14 5.6 Test Data............................................................................................................................. 14 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 15 6.1 Test Standard and Limit ................................................................................................... 15 6.2 Test Setup........................................................................................................................... 16 6.3 Test Procedure .................................................................................................................. 17 6.4 Deviation From Test Standard......................................................................................... 18 6.5 EUT Operating Mode ........................................................................................................ 18 6.6 Test Data............................................................................................................................. 18 7. RESTRICTED BANDS AND BAND EDGE REQUIREMENT .......................................... 19 7.1 Test Standard and Limit ................................................................................................... 19 7.2 Test Setup........................................................................................................................... 19 7.3 Test Procedure .................................................................................................................. 20 7.4 Deviation From Test Standard......................................................................................... 20 7.5 EUT Operating Mode ........................................................................................................ 20 7.6 Test Data............................................................................................................................. 20 8. 99% OCCUPIED AND 20DB BANDWIDTH ....................................................................... 21 8.1 Test Standard and Limit ................................................................................................... 21…

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FCC ID:2BCWB-LC31 TB-RF-074-1.0 Appendix V EUT Test Photographs Conducted Emission Test Setup Radiated Emission Test Setup-Below 1G FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo of Setup for Radiated Emission (Above 1 GHz) Photo of Setup for Conducted Measurements FCC ID:2BCWB-LC31 TB-RF-074-1.0 Photo of Setup for Conducted Measurements -----END OF REPORT-----