2BPRT-HR02Smart ring

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: ЬReorient or relocate the receiving antenna. ЬIncrease the separation between the equipment and receiver. ЬConnect the equipment into an outlet on a circuit different from that to which the receiver is connected. ЬConsult the dealer or an experienced radio/TV technician for help. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. The device has been evaluated to meet general RF exposure requirement. )&&:DUQLQJ6WDWHPHQW

Shenzhen liangjian technology co., ltd Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Dec. 30, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2BPRT-HR02 Shenzhen liangjian technology co., ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Signature: December 30, 2025 Name Xu mingliang Position Manager Company Name Shenzhen liangjian technology co., ltd Address Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China Tel 1662551145 Fax / Email [email protected]

Shenzhen liangjian technology co., ltd Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China 1 | P a g e Attestation Statements To: Federal Communications Commission Date: Dec. 30, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: [2BPRT-HR02] Product Name: [Smart ring] This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Name Xu mingliang Position Manager Company Name Shenzhen liangjian technology co., ltd Address Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China Tel 1662551145 Fax / Email [email protected] Shenzhen liangjian technology co., ltd Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China 2 | P a g e Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☒ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☒ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☒ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. Compliance ☒ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: Companyname:HOPEKCORPORATIONINC FRN:0034562900 ContactName:PeterDavis Address:16755CoyoteBushDrUnit84,SanDiego,CA92127UnitedStates TelephoneNo:561-235-6113 Email:[email protected] Applicant: Companyname:Shenzhenliangjiantechnologyco.,ltd GranteeCode:2BPRT FCCID:2BPRT-HR02 FRN:0037076965 ContactName:ZhilinZhou Address:Elevator601,BuildingD1,ShilongzaiNewAgeGongrongIndustrialPark, ShiyanStreet,BaoanDistrict,Shenzhen,China TelephoneNo:1662551145 FaxNo:/ Email:[email protected] Shenzhenliangjiantechnologyco.,ltdcertifiesthat,asofthedateofthisfilingofthe applicationwiththeTCB,[HOPEKCORPORATIONINC]isourdesignatedUSagentforservice ofprocessfortheabovereferencedFCCID.Shenzhenliangjiantechnologyco.,ltdaccepts tomaintainanagentfornolessthanoneyearafterthegranteehasterminatedallmarketing andimportationortheconclusionofanycommissionrelatedproceedinginvolvingequipment. [HOPEKCORPORATIONINC]accepts,asofthedateofthefilingoftheapplication,the obligationofthedesignatedUSagentforserviceofprocessfortheabovereferenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,and clause§2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2025-12-30 Applicant’sName:XumingliangUSAgent’sName:PeterDavis Title:ManagerTitle:Manager Signature:Signature:

Shenzhen liangjian technology co., ltd Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China December 30, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2BPRT-HR02 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request permanent confidential treatment of the exhibits accompanying this certification application as outlined below :  Block Diagram  Schematics  Operational Description The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Sincerely, Signature: December 30, 2025 Name Xu mingliang Position Manager Company Name Shenzhen liangjian technology co., ltd Address Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China Tel 1662551145 Fax / Email [email protected]

Shenzhen liangjian technology co., ltd Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China December 30, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2BPRT-HR02 I, the undersigned, hereby authorize (Shenzhen PSI Testing Co., Ltd.) to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by (Shenzhen PSI Testing Co., Ltd.) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (Shenzhen liangjian technology co., ltd). We certify that we are not subject to a denial of federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, Signature: December 30, 2025 Name Xu mingliang Position Manager Company Name Shenzhen liangjian technology co., ltd Address Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China Tel 1662551145 Fax / Email [email protected]

Page 1 of 5 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix II external photos FCC ID: 2BPRT-HR02 Page 2 of 5 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 5 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 4 of 5 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 5 of 5 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Label and Location Material: Silk-screen Font color: White Size: L: 1cm*W: 0.4cm Label and Location W FCC ID: 2BPRT-HR02 Model No.: HR02 L

Page 1 of 4 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix III internal photos FCC ID: 2BPRT-HR02 Page 2 of 4 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 4 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ANT BT Page 4 of 4 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Page 1 of 1 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix IV RF Exposure evaluation FCC ID: 2BPRT-HR02 According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(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. BLE: Worse case output power is as below: [2480MHz: 1.24dBm] Maximum output power is 1.24dBm (1.33 mW). (1.33mW /5mm)·[√2.480(GHz)]= 0.42<3.0 for 1-g SAR. Then SAR evaluation is not required.

柯沃技术 SPECIFICATION ReferenceNo. ProductDescriptionModelNo. BT AntennaCW066-04 Customer：Page Date：20 25-04-03 - 1 - Coolwear 1 1 、 、 OVERALL OVERALL PERFORMANCE(Antenna PERFORMANCE(Antenna Element, Element, FPC FPC &Cable) &Cable) CHARACTERISTICS SPEC CenterFrequency2400~2500MHz Gain -4.33dBi Efficiency 12% OutputVSWR 3.0max OutputImpedance50ohm PolarizationL. P Dimensions MonopoleFPC板载天线 2 2 、 、 APPLICATION APPLICATION Thisapplicationshallapplyforantennaunitwhichshallbeusedwithcommunication (forimpedance50ohm) 3 3 、 、 OPERRATING OPERRATING CONDITION CONDITION Temperature-40°Cto +85°C Humidity10%to 95%RH 4 4 、 、 STORAGE STORAGE CONDITION CONDITION Temperature-40 °C to +90 °C Humidity 10%to 95%R H 柯沃技术 SPECIFICATION ReferenceNo. ProductDescriptionModelNo. BTAntennaCW066-04 Customer：Page Date：2025-04-03 -2- Coolwear 5、 ANTENNA ANTENNA DIMENSIONS DIMENSIONS 柯沃技术 SPECIFICATION ReferenceNo. ProductDescriptionModelNo. BTAntennaCW066-04 Customer：Page Date：2025-04-03 -3- Coolwear 柯沃技术 SPECIFICATION ReferenceNo. ProductDescriptionModelNo. BTAntennaCW066-04 Customer：Page Date：2025-04-03 -4- Coolwear 柯沃技术 SPECIFICATION ReferenceNo. ProductDescriptionModelNo. BTAntennaCW066-04 Customer：Page Date：2025-04-03 -5- Coolwear 柯沃技术 SPECIFICATION ReferenceNo. ProductDescriptionModelNo. BT AntennaCW066-04 Customer：Page Date：20 25-04-03 - 6 - Coolwear

Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Page 1 of 52 Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China FCC TEST REPORT FCC ID: 2BPRT-HR02 On Behalf of Shenzhen liangjian technology co., ltd Smart ring Model No.: HR02 Prepared for : Shenzhen liangjian technology co., ltd Address : Elevator 601, Building D1, Shilongzai New Age Gongrong Industrial Park, Shiyan Street, Baoan District, Shenzhen, China Prepared By : Shenzhen PSI Testing Co., Ltd. Address : 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Report Number : psi2512120-C01-R04 Date of Receipt : December 18, 2025 Date of Test : December 18, 2025–December 26, 2025 Date of Report : December 26, 2025 Version Number : V0 Page 2 of 52 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China TABLE OF CONTENTS Description Page 1. Summary Of Standards And Results ------------------------------------------------------------------------------- 6 1.1. Description of Standards and Results ----------------------------------------------------------------------- 6 2. General Information ----------------------------------------------------------------------------------------------------- 7 2.1. Description of Device (EUT) ----------------------------------------------------------------------------------- 7 2.2. Accessories of Device (EUT) ---------------------------------------------------------------------------------- 8 2.3. Tested Supporting System Details---------------------------------------------------------------------------- 8 2.4. Block Diagram of Connection Between EUT and Simulators ------------------------------------------ 8 2.5. Test Mode Description ------------------------------------------------------------------------------------------- 9 2.6. Software test version and power setting information----------------------------------------------------- 9 2.7. Test Conditions -------------------------------------------------------------------------------------------------- 10 2.8. Test Facility ------------------------------------------------------------------------------------------------------- 10 2.9. Measurement Uncertainty ------------------------------------------------------------------------------------ 10 2.10. Test Equipment List -------------------------------------------------------------------------------------------- 11 3. Spurious Emission ----------------------------------------------------------------------------------------------------- 12 3.1. Test Limits -------------------------------------------------------------------------------------------------------- 12 3.2. Block Diagram of Test setup --------------------------------------------------------------------------------- 13 3.3. Test Procedure -------------------------------------------------------------------------------------------------- 14 3.4. Test Results ------------------------------------------------------------------------------------------------------ 15 4. Power Line Conducted Emission --------------------------------------------------------------------------------- 21 4.1. Test Limits -------------------------------------------------------------------------------------------------------- 21 4.2. Test Procedure -------------------------------------------------------------------------------------------------- 21 4.3. Test Setup -------------------------------------------------------------------------------------------------------- 21 4.4. Test Results ------------------------------------------------------------------------------------------------------ 22 5. Out-of-band Emissions ----------------------------------------------------------------------------------------------- 25 5.1. Test Limits -------------------------------------------------------------------------------------------------------- 25 5.2. Test Procedure -------------------------------------------------------------------------------------------------- 25 5.3. Test Setup -------------------------------------------------------------------------------------------------------- 25 5.4. Test Results ------------------------------------------------------------------------------------------------------ 25 6. Conducted Maximum Output Power ----------------------------------------------------------------------------- 36 6.1. Test limits --------------------------------------------------------------------------------------------------------- 36 6.2. Test Procedure -------------------------------------------------------------------------------------------------- 36 6.3. Test Setup -------------------------------------------------------------------------------------------------------- 36 6.4. Test Results ------------------------------------------------------------------------------------------------------ 36 7. Peak Power Spectral Density --------------------------------------------------------------------------------------- 37 7.1. Test limits --------------------------------------------------------------------------------------------------------- 37 7.2. Test Procedure -------------------------------------------------------------------------------------------------- 37 7.3. Test Setup -------------------------------------------------------------------------------------------------------- 37 7.4. Test Results ------------------------------------------------------------------------------------------------------ 37 8. Occupied Bandwidth -------------------------------------------------------------------------------------------------- 41 8.1. Test limits --…

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Page 1 of 2 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix I Test Setup Photo FCC ID: 2BPRT-HR02 Spurious Radiation Emissions Test (<1G) Spurious Radiation Emissions Test (＞1G) Page 2 of 2 Report No.: psi2512120-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Conducted emission Test ------End------