2BHCU-S5Smart Watch

FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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)(2) this device must accept any interference received, including interference th may cause undesired operation

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications 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 2BHCU-S5 S5 We, Applicant Company Name: Shenzhen Budong Technology Co.,Ltd Address: 14E, Unit D3, Junjinghuating, Minzhi Street, Longhua District, Shenzhen City Phone: 15157357903 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. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, Jul.20,2025 Signature Date Printed Name of Signee: Gong Guan Company: Shenzhen Budong Technology Co.,Ltd Address: 14E, Unit D3, Junjinghuating, Minzhi Street, Longhua District, Shenzhen City Phone: 15157357903 Fax: Email:[email protected]

LocalRepresentativeLetter ForCertificationServiceintheUSA FederalCommunicationsCommission EquipmentAuthorizationDivision,ApplicationProcessingBranch 7435OaklandMillsRoad Columbia,MD21048 Towhomitmayconcern PursuanttoSection2.911(d)(7),oftheCommission’sRules(47C.F.R.)weattestasfollowsfor theproductlistedbelow: FCCIDModelname 2BHCU-S5S5 Weherebyacknowledgeasfollows: i.bothsigneesconfirmthatthepointofcontactacceptsresponsibilitytoactasaUS- AmericanRepresentativeonbehalfoftheapplicant ii.thepointofcontactprovidesthephysicalU.S.addressandemailaslistedbelow iii.bothpartiesmaintaintherequirementsofthisagreementfornolessthanoneyear afterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. US-AmericanPointofContactApplicant/ApprovalHolder CompanyName:FCCUSAgent,LLC ShenzhenBudongTechnologyCo.,Ltd FRN:00334028840035629385 ContactName:TimPayne GongGuan Address:3722IllinoisAvenue,Saint Charles,IL,60174,USA 14E,UnitD3,Junjinghuating,Minzhi Street,LonghuaDistrict,ShenzhenCity Phone:708-571-314815157357903 Email:[email protected] [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 ß552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BHCU-S5 S5 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 Parts Lists • the Tune Up Information 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, Jul.20,2025 Signature Date Printed Name of Signee: Gong Guan Company: Shenzhen Budong Technology Co.,Ltd Address: 14E, Unit D3, Junjinghuating, Minzhi Street, Longhua District, Shenzhen City Phone: 15157357903 Fax: Email: [email protected]

External Photographs FCC ID: 2BHCU-S5

Label Sample for FCC ID: 2BHCU-S5 Size for the label: 1.5cm X 1cm Product Name : Smart Watch Model : S5 FCC ID : 2BHCU-S5

Internal photographs FCC ID: 2BHCU-S5 Antenna

MAXLAB Testing Co., Ltd. Report No.: MAX250823901603MPE Report No.: MAX250823901603MPE Page 1 of 6 MPE FCC Part 15C Measurement and Test Report For Jiangmen Yuandian Electronics Co., LTD FCC ID: 2BHCU-S11 FCC Rule(s): FCC Part 15.247 Product Description: Smart Watch Tested Model: S5 Report No.: MAX250823901603MPE Tested Date: July.15~August.5,2025 Issued Date: August.5,2025 Tested By: Lris Yao / Engineer Reviewed By: Levi Xiao / EMC Manager Approved & Authorized By: Salon Ouyang / PSQ Manager Prepared By: MAXLAB TESTING CO., LTD. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, Guangdong,518052,People’s Republic of China Tel: 400-882-9628 Fax: 86- 755-26508703 MAXLAB Testing Co., Ltd. Report No.: MAX250823901603MPE Report No.: MAX250823901603MPE Page 2 of 6 MPE 1. GENERAL INFORMATION 1.1 Product Description for Equipment Under Test (EUT) Client Information Applicant: Shenzhen Budong Technology Co., Ltd Address of applicant: 14E, Unit D3, Junjinghuating, MinzhiStreet, Longhua District, Shenzhen 518110 China Manufacturer: Shenzhen Budong Technology Co., Ltd Address of manufacturer: 14E, Unit D3, Junjinghuating, MinzhiStreet, Longhua District, Shenzhen 518110 China General Description of EUT Product Name: Smart Watch Brand Name: N/A Models No.: S5 Rated Voltage: DC 3.8V by battery Note: The test data is gathered from a productio.0n sample provided by the manufacturer. Technical Characteristics of EUT Bluetooth Version: V5.4 Frequency Range: 2402-2480MHz Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: Cable Antenna Antenna Gain: -7.13dBi MAXLAB Testing Co., Ltd. Report No.: MAX250823901603MPE Report No.: MAX250823901603MPE Page 3 of 6 MPE 1.2 Test Standards The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices 1.3 Test Facility MAXLAB Testing Co., Ltd. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, ShiyanStreet, Bao'an District, Shenzhen,Guangdong,518052,People’s Republic of China FCC Test Firm Registration Number: 562200 Designation Number: CN1338 Tel: 400-882-9628 Fax: 86-755-26508703 1.4 Measurement Uncertainty Measurement uncertainty Parameter Conditions Uncertainty RF Output Power Conducted ±0.42dB MAXLAB Testing Co., Ltd. Report No.: MAX250823901603MPE Report No.: MAX250823901603MPE Page 4 of 6 MPE 2. TEST LIMIT 2.1 Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1) To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion.When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.” [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. When one of the following test exclusion conditions is satisfied for all combinations of simultaneous transmission configurations, further equipment approval is not required to incorporate transmitter modules in host devices that operate in the mixed mobile and portable host platform exposure conditions. The grantee is responsible for documenting this according to Class I permissive change requirements. Antennas that qualify for standalone SAR test exclusion must apply the estimated standalone SAR to determine simultaneous transmission test exclusion. a) The [∑ of (the highest measured or estimated SAR for each standalone antenn…

Text truncated - open the document above for the full version.

福贝特国际〈香港〉有限公司 。。 FBETTER INTERNATIONAL (H.K) TECHNOLOGY CO., LIMITED Rm 1 16/F TAK LEE IND CTR BLK B 8 TSING YEUNG CIRCUIT Tuen Mun Hong Kong Model: S5 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

MAXLAB TESTING CO., LTD. Report No.: MAX250823901604RF Report No.: MAX250823901604RF Page 1 of 42 FCC Part 15.247 FCC Part 15C Measurement and Test Report For Shenzhen Budong Technology Co., Ltd FCC ID:2BHCU-S5 FCC Rule(s): FCC Part 15.247 Product Description: Smart Watch Tested Model: S5 Report No.: MAX250823901604RF Tested Date: August.15~31,2025 Issued Date: August.31,2025 Tested By: Cindy Zheng / Engineer Reviewed By: Haley Wen / EMC Manager Approved & Authorized By: Mike Mo / PSQ Manager Prepared By: MAXLAB TESTING CO., LTD. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, Guangdong,518052,People’s Republic of China Tel: 400-882-9628 Fax: 86- 755-26508703 MAXLAB TESTING CO., LTD. Report No.: MAX250823901604RF Report No.: MAX250823901604RF Page 2 of 42 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................... 3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .................................................................................. 3 1.2 EUT SETUP AND TEST MODE .................................................................................................................................... 5 1.3 TEST STANDARDS ...................................................................................................................................................... 5 1.4 TEST METHODOLOGY ................................................................................................................................................ 5 1.5 TEST FACILITY .......................................................................................................................................................... 5 1.6 MEASUREMENT UNCERTAINTY ................................................................................................................................. 6 1.7 TEST EQUIPMENT LIST AND DETAILS ........................................................................................................................ 6 3. RF EXPOSURE ............................................................................................................................................................ 7 3.1 STANDARD APPLICABLE ............................................................................................................................................ 7 3.2 TEST RESULT............................................................................................................................................................. 7 4. ANTENNA REQUIREMENT ..................................................................................................................................... 8 4.1 STANDARD APPLICABLE ............................................................................................................................................ 8 4.2 EVALUATION INFORMATION ..................................................................................................................................... 8 5. CONDUCTED EMISSIONS ....................................................................................................................................... 9 6. 20DB EMISSION BANDWIDTH ............................................................................................................................. 11 7. CARRIER FREQUENCIES SEPARATION ........................................................................................................... 18 8. HOPPING CHANNEL NUMBER ............................................................................................................................ 21 9. DWELL TIME ........................................................................................................................................................... 24 10. PSEUDORANDOM FREQUENCY HOPPING SEQUENCE ............................................................................. 27 11. BAND EDGE ............................................................................................................................................................. 28 12. SPURIOUS EMISSION ........................................................................................................................................... 32 MAXLAB TESTING CO., LTD. Report No.: MAX250823901604RF Report No.: MAX250823901604RF Page 3 of 42 FCC Part 15.247 1. GENERAL INFORMATION 1.1 Product Description for Equipment Under Test (EUT) Applicant: Shenzhen Budong Technology Co., Ltd Address of applicant: 14E, Unit D3, Junjinghuating, Minzhi Street, Longhua District, Shenzhen City Manufacturer: Shenzhen Budong Technology Co., Ltd Address of manufacturer: 14E, Unit D3, Junjinghuating, Minzhi Street, Longhua District, Shenzhen City Product Name: Smart Watch Model No.: S5 Test Model No: S5 Quantity of tested samples 1 Serial No.: N/A Operation Frequency: 2402MHz~2480MHz Channel numbers: 79 Channel separation: 1MHz Modulation type: GFSK,Pi/4 QPSK,8DPSK Antenna Type: Cable Antenna Antenna gain: -7.13dBi Power supply: DC 3.8V by battery MAXLAB TESTING CO., LTD. Report No.: MAX250823901604RF Report No.: MAX250823901604RF Page 4 of 42 FCC Part 15.247 Operation Frequency each of channel Channel Frequency Channel Frequency Channel Frequency Channel Frequency 1 2402MHz 21 2422MHz 41 2442MHz 61 2462MHz 2 2403MHz 22 2423MHz 42 2443MHz 62 2463MHz 3 2404MHz 23 2424MHz 43 2444MHz 63 2464MHz 4 2405MHz 24 2425MHz 44 2445MHz 64 2465MHz 5 2406MHz 25 2426MHz 45 2446MHz 65 2466MHz 6 2407MHz 26 2427MHz 46 2447MHz 66 2467MHz 7 2408MHz 27 2428MHz 47 2448MHz 67 2468MHz 8 2409MHz 28 2429MHz 48 2449MHz 68 2469MHz 9 2410MHz 29 2430MHz 49 2450MHz 69 2470MHz 10 2411MHz 30 2431MHz 50 2451MHz 70 2471MHz 11 2412MHz 31 2432MHz 51 2452MHz 71 2472MHz 12 2413MHz 32 2433MHz 52 2453MHz 72 2473MHz 13 2414MHz 33 2434MHz 53 2454MHz 73 2474MHz 14 2415MHz 34 2435MHz 54 2455MHz…

Text truncated - open the document above for the full version.

Test Setup Photos FCC ID: 2BHCU-S5