2AOM3-R03Smart Ring

ShenZhen YaWell intelligent Technology Co.,Ltd. Address: A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China r Date: 2024-09-23 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing SUBJECT: FCC Application for FCC ID: 2AOM3-R03 To Whom It May Concern: ShenZhen YaWell intelligent Technology Co.,Ltd. certifies 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. Sincerely, Signature: Date: 2024-09-18

ShenZhen YaWell intelligent Technology Co.,Ltd. Address: A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China Date: 2024-09-23 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing SUBJECT: FCC Application for FCC ID: 2AOM3-R03 To Whom It May Concern: ShenZhen YaWell intelligent Technology Co.,Ltd. certifies 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. Sincerely, Signature: Date: 2024-09-18

UNITED STATES DESIGNATED AGENT LETTER Date: 2024-08-29 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Applicant U.S. designated agent Company Name: ShenZhen YaWell intelligent Technology Co.,Ltd. Company Name: Picus Advisors US LLC Contact Name: Yves Yu Contact Name: Ivan Wang Address: A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China Address: 839 FM1489 Rd., Brookshire, TE XAS, 77423, USA City/Province/Zip: Shenzhen,Guangdong, 518000 City/Province/Zip: Brookshire, TEXAS, 77423 Telephone: 0755-8891 4982 Telephone: (713) 614-8188 Email: [email protected] Email: [email protected] FRN: 0027097500 FRN: 0034336891 Applicable Equipment: FCC ID: 2AOM3-R03 This letter is to confirm that we (Picus Advisors US LLC) have accepted theresponsibility to act as the Designated U.S. Agent for Service of Process as required bysection 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. ATTN: Director of Certification: We, < ShenZhen YaWell intelligent Technology Co.,Ltd. > and <Picus Advisors US LLC> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e-mail of the designated agent listed above. We, < ShenZhen YaWell intelligent Technology Co.,Ltd. > and <Picus Advisors US LLC> acknowledge the applicant’s acceptance of its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Applicant U.S. designated agent Picus Advisors US LLC Name (Printed): Yves Yu Name (Printed): Ivan Wang Title: Manage Title: CEO Signature: Signature:

版本:R-A生效日期：2024-01-23 第 1 页共 4 页 ShenzhenHuaxunshitongTechnologyCo.,Ltd. Antennaspecification Customername:Yawei Projectname R02 Antenna frequencyband BT Specification description □support+shell fragment □Single shrapnel □support+FPC+thimble ☑FPC□FMaerial□GPSaerial □coaxial-line □WIFIaerial: □FPC+wirerod： □PCB+wirerod: Customer confirmation Supplier confirmation Radiofrequency confirmation Structural confirmation check contactsWangpengchaomobilephone13480925226 telephone0755-23705212facsimile0755-23705213 [email protected] address:F3-005,HongfenghuaInternetCreativePark,No.1HuangtiandamenRoad,Hangcheng Street,BaoanDistrict,Shenzhen 版本:R-A生效日期：2024-01-23 第 2 页共 4 页 1.Testenvironment testproject equipment 1.（S-parameter）1.（ReturnLoss） 2.（VSWR） :AgilentE5071B HP8753D 2.（Active）1.（TRP） 2.（TIS） 1.ETS7x4x3m(3D)Chamber ETS5x3x3m(3D)Chamber 2.:Agilent8960E5515B×2 StarPointSP6011 3.（Passive）1.（Gain）2.（Efficiency）1.ETS7x4x3m(3D)Chamber ETS5x3x3m(3D)Chamber 2.AgilentE5071B HP8753D 2.matchingcircuit-BTaerial： Ourcompanyhasnotmadeanymodificationtothematchingcircuit 版本:R-A生效日期：2024-01-23 第 3 页共 4 页 3Efficiencyandgain 版本:R-A生效日期：2024-01-23 第 4 页共 4 页 4.Structuraldrawings

ShenZhen YaWell intelligent Technology Co.,Ltd. A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: September 23, 2024 Subject; Request for Confidentiality FCC ID: 2AOM3-R03 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Yves Yu Title: manager

ShenZhen YaWell intelligent Technology Co.,Ltd. Date：Sep.18.2024 Product Model Number: R03 FCC ID：2AOM3-R03 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION.on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: manager Email: [email protected] Telephone: 15118105903 On behalf of: ShenZhen YaWell intelligent Technology Co.,Ltd.

FCC ID: 2AOM3-R03 Page 1 of 4 Report No.: CTL2406283063-WF External Photos of EUT FCC ID: 2AOM3-R03 Page 2 of 4 Report No.: CTL2406283063-WF FCC ID: 2AOM3-R03 Page 3 of 4 Report No.: CTL2406283063-WF FCC ID: 2AOM3-R03 Page 4 of 4 Report No.: CTL2406283063-WF

FCC ID: 2AOM3-R03 Page 1 of 1 Report No.: CTL2406283063-WF FCC ID Label Information Label location: Size:10mm*10mm Note: Label material is transparent PET, glue material is self-adhesive material; 25 square transparent dragon, water glue, plus light film. Not easy to drop. FCC ID : 2AOM3-R03

FCC ID: 2AOM3-R03 Page 1 of 2 Report No.: CTL2406283063-WF Internal Photos of EUT FCC ID: 2AOM3-R03 Page 2 of 2 Report No.: CTL2406283063-WF BT Antenna

FCC ID: 2AOM3-R03 Page 1 of 1 Report No.: CTL2406283063-WF RF Exposure evaluation 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 For Bluetooth BLE: BLE:pt=0.75 dBm=1.1885 mW at 2440MHz So (1.1885 mW/5mm)x √2440GHz = 0.3713<3 Then SAR evaluation is not required.

Shenzhen CTL Testing Technology Co., Ltd. Floor 1-A, Baisha Technology Park, No.3011, Shahexi Road, Nanshan District, Shenzhen, China 518055 Tel: +86-755-89486194 E-mail: [email protected] Page 1 / 19 Annex for BLE Test Report No.: CTL2406283063-WF TABLE OF CONTENTS 1. Bandwidth .......................................................................................................................................... 3 1.1 Test Result ............................................................................................................................... 3 1.1.1 OBW ............................................................................................................................... 3 1.1.2 6dB BW .......................................................................................................................... 3 1.2 Test Graph ................................................................................................................................ 4 1.2.1 OBW ............................................................................................................................... 4 1.2.2 6dB BW .......................................................................................................................... 6 2. Maximum Conducted Output Power .................................................................................................. 8 2.1 Test Result ............................................................................................................................... 8 2.1.1 Power ............................................................................................................................. 8 2.2 Test Graph ................................................................................................................................ 9 2.2.1 Power ............................................................................................................................. 9 3. Maximum Power Spectral Density ................................................................................................... 11 3.1 Test Result ............................................................................................................................. 11 3.1.1 PSD .............................................................................................................................. 11 3.2 Test Graph .............................................................................................................................. 12 3.2.1 PSD .............................................................................................................................. 12 4. Unwanted Emissions In Non-restricted Frequency Bands ................................................................ 14 4.1 Test Result ............................................................................................................................. 14 4.1.1 Ref ................................................................................................................................ 14 Shenzhen CTL Testing Technology Co., Ltd. Floor 1-A, Baisha Technology Park, No.3011, Shahexi Road, Nanshan District, Shenzhen, China 518055 Tel: +86-755-89486194 E-mail: [email protected] Page 2 / 19 4.1.2 CSE .............................................................................................................................. 14 4.2 Test Graph .............................................................................................................................. 15 4.2.1 Ref ................................................................................................................................ 15 4.2.2 CSE .............................................................................................................................. 17 Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 3 / 19 1. Bandwidth 1.1 Test Result 1.1.1 OBW Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit 1M SISO 2402 1 1.055 / Pass 2440 1 1.054 / Pass 2480 1 1.052 / Pass 1.1.2 6dB BW Mode TX Type Frequency (MHz) ANT 6dB Bandwidth (MHz) Verdict Result Limit 1M SISO 2402 1 0.684 >=0.5 Pass 2440 1 0.712 >=0.5 Pass 2480 1 0.680 >=0.5 Pass Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 4 / 19 1.2 Test Graph 1.2.1 OBW 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 5 / 19 1M_HCH_2480MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 6 / 19 1.2.2 6dB BW 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 7 / 19 1M_HCH_2480MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 8 / 19 2. Maximum Conducted Output Power 2.1 Test Result 2.1.1 Power Mode TX Type Frequency (MHz) Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit 1M SISO 2402 0.28 <=30 Pass 2440 0.75 <=30 Pass 2480 0.16 <=30 Pass Note1: Antenna Gain: Ant1: -4.22dBi; Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 9 / 19 2.2 Test Graph 2.2.1 Power 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 10 / 19 1M_HCH_2480MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 11 / 19 3. Maximum Power Spectral Density 3.1 Test Result 3.1.1 PSD Mode TX Type Frequency (MHz) Maximum PSD (dBm/3kHz) Verdict ANT1 Limit 1M SISO 2402 -12.46 <=8 Pass 2440 -12.11 <=8 Pass 2480 -12.38 <=8 Pass Note1: Antenna Gain: Ant1: -4.22dBi; Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 12 / 19 3.2 Test Graph 3.2.1 PSD 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF FCCID: 2AOM3-R03 Page 13 / 19 1M_HCH_2480MHz_Ant1_NTNV Annex for BLE Test Report No.: CTL2406283063-WF …

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Shenzhen CTL Testing Technology Co., Ltd. Tel: +86-755-89486194 E-mail: [email protected] TEST REPORT FCC PART 15.247 Report Reference No. ................ : CTL2406283063-WF Compiled by: ( position+printed name+signature) Happy Guo (File administrators) Tested by: ( position+printed name+signature) Wuqiang Wu (Test Engineer) Approved by: ( position+printed name+signature) Ivan Xie (Manager) Product Name ............................ : Smart Ring Model/Type reference ................ : R03 List Model(s) ............................... : N/A Trade Mark .................................. : N/A FCC ID ......................................... : 2AOM3-R03 Applicant’s name ....................... : ShenZhen YaWell intelligent Technology Co.,Ltd. Address of applicant ................. : A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China Test Firm ..................................... : Shenzhen CTL Testing Technology Co., Ltd. Address of Test Firm ................. : Floor 1-A, Baisha Technology Park, No.3011, Shahexi Road, Nanshan District, Shenzhen, China 518055 Test specification ....................... : Standard ...................................... : FCC Part 15.247: Operation within the bands 902-928 MHz, 2400-2483.5 MHz and 5725-5850 MHz. TRF Originator ............................. : Shenzhen CTL Testing Technology Co., Ltd. Master TRF .................................. : Dated 2011-01 Date of receipt of test item ........ : Jul. 15, 2024 Date of Test Date ........................ : Jul. 15, 2024- Aug 13, 2024 Date of Issue .............................. : Aug. 19, 2024 Result .......................................... : Pass Shenzhen CTL Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTL Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTL Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. V1.0 Page 2 of 38 Report No.: CTL2406283063-WF TEST REPORT Test Report No. : CTL2406283063-WF Aug. 19, 2024 Date of issue Equipment under Test : Smart Ring Sample No : CTL2406283063 Model /Type : R03 Listed Models : N/A Applicant : ShenZhen YaWell intelligent Technology Co.,Ltd. Address : A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China Manufacturer : ShenZhen YaWell intelligent Technology Co.,Ltd. Address : A402, Wuhan University, Shenzhen Research Institute, No. 6 Yuexing 2nd Road, Gaoxin District Yuehai Street, Nanshan District, Shenzhen, China Test result Pass * * In the configuration tested, the EUT complied with the standards specified page 5. The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the issuing testing laboratory. V1.0 Page 3 of 38 Report No.: CTL2406283063-WF ** Modified History ** Revisions Description Issued Data Report No. Remark Version 1.0 Initial Test Report Release 2024-08-19 CTL2406283063-WF Tracy Qi V1.0 Page 4 of 38 Report No.: CTL2406283063-WF Table of Contents Page 1. SUMMARY ............................................................................................................................................................... 5 1.1. TEST STANDARDS ..................................................................................................................................................... 5 1.2. TEST DESCRIPTION ........................................................................................................................................................ 5 1.3. TEST FACILITY .............................................................................................................................................................. 6 1.4. STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. GENERAL INFORMATION .......................................................................................................................................... 8 2.1. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 8 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 8 2.3. DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 9 2.4. EQUIPMENTS USED DURING THE TEST ............................................................................................................................ 10 2.5. RELATED SUBMITTAL(S) / GRANT (S) .............................................................................................................................. 10 2.6. MODIFICATIONS ......................................................................................................................................................... 10 3. TEST CONDITIONS AND RESULTS ............................................................................................................................ 11 3.1. CONDUCTED EMISSIONS TEST ....................................................................................................................................... 11 3.2. RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 14 3.3. MAXIMUM CONDUCTED OUTPUT POWER…

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FCC ID: 2AOM3-R03 Page 1 of 2 Report No.: CTL2406283063-WF Test Setup Photos of the EUT FCC ID: 2AOM3-R03 Page 2 of 2 Report No.: CTL2406283063-WF