2BG7A-RW100Smart Ring

ChipletRingAPPUserGuide Version：V1.0No：/ ConfidentialityLevelOpenaccessDepartment ： / ProductName：/Subsystem:/ Name ： ChaofanLiDate ： 2023/08/17 WuxiBravechipTechnologiesCo.,Ltd WuxiBravechipTechnologiesCo.,Ltd 2 RevisedRecording ： VersionNameDateDescription V1.0 ChaofanLi 2023.08.17 Original WuxiBravechipTechnologiesCo.,Ltd 3 Contents Instruction......................................................................................................................................4 APPUserGuide.............................................................................................................................5 1.AndroidAPP...............................................................................................................................................5 1.1Settings......................................................................................................................................5 1.2Deviceconnection.....................................................................................................................6 1.3HeartRateandBloodOxygen..................................................................................................8 1.4Activity......................................................................................................................................9 1.5Sleep..........................................................................................................................................9 1.6OtherSettings.........................................................................................................................10 2.IOSAPP....................................................................................................................................................13 2.1Settings....................................................................................................................................13 2.2Deviceconnection...................................................................................................................14 2.3HeartRateandBloodOxygen................................................................................................16 2.4Activity....................................................................................................................................16 2.5Sleep........................................................................................................................................17 2.6Othersettings..........................................................................................................................17 WuxiBravechipTechnologiesCo.,Ltd 4 Instruction ThisdocumentisabouthowtousetheChipletRingAPPonIOSandAndroid. WuxiBravechipTechnologiesCo.,Ltd 5 APPUserGuide 1.AndroidAPP 1.1Settings AfterinstallingtheChipletRingAPP,openitandsetpersonalinformation. WuxiBravechipTechnologiesCo.,Ltd 6 1.2Deviceconnection Aftersetting,enterthehomepageandclick"AddDevice". WuxiBravechipTechnologiesCo.,Ltd 7 SelectthedevicewiththeMACaddressforconnection. WuxiBravechipTechnologiesCo.,Ltd 8 1.3HeartRateandBloodOxygen Clickontheiconsshownintheimagetomeasureheartrate,oxygensaturation,heartratevariabilityand temperature. WuxiBravechipTechnologiesCo.,Ltd 9 1.4Activity Clickontheiconshownbythearrowintheimagetocheckthemovementoftheday,weekormonth. 1.5Sleep Clicktheiconshownbythearrowinthepicturetoviewthesleephistory,andthesleepdataisautomatically updatedaftertheringisconnectedtotheAPP. WuxiBravechipTechnologiesCo.,Ltd 10 1.6OtherSettings Clickthearrowiconinthefiguretothesettinginterface,youcansettheactivitygoalsandbasicinformation. WuxiBravechipTechnologiesCo.,Ltd 11 Settingactivitygoals: WuxiBravechipTechnologiesCo.,Ltd 12 Settingbasicinformation: WuxiBravechipTechnologiesCo.,Ltd 13 2.IOSAPP 2.1Settings AfterinstallingtheChipletRingAPP,openitandsetbasicpersonalinformation. WuxiBravechipTechnologiesCo.,Ltd 14 2.2Deviceconnection Aftersetting,enterthehomepageandclick"AddDevice". WuxiBravechipTechnologiesCo.,Ltd 15 SelectthedevicewiththeMACaddressforconnection. WuxiBravechipTechnologiesCo.,Ltd 16 2.3HeartRateandBloodOxygen ClickontheICONSshownintheimagetomeasureheartrate,oxygensaturation,heartratevariabilityand temperature. 2.4Activity Click“activity”tocheckthemovementoftheday,weekormonth. WuxiBravechipTechnologiesCo.,Ltd 17 2.5Sleep Click"Sleep"tocheckthesleepstatus,andthesleepdatawillbeautomaticallyupdatedaftertheringis connectedtotheAPP. 2.6Othersettings Clickthe“Me”tothesettinginterface,youcansetthemovingtargetandbasicinformation. WuxiBravechipTechnologiesCo.,Ltd 18 Settingactivitygoals: Settingbasicinformation: WuxiBravechipTechnologiesCo.,Ltd 19 ChipletRingAPP使用说明 文档版本号：V1.0文档编号： 文档密级：公开归属部门 / 项目： 产品名：子系统名： 编写人：李超凡编写日期： 2023/08/17 修订记录： 版本号修订人修订日期修订描述 V1.0 李超凡 2023.08.17 原始版本 WuxiBravechipTechnologiesCo.,Ltd 20 目录 一、文档简介...............................................................................................................................21 二、APP使用说明......................................................................................................................22 2.1安卓版APP...........................................................................................................................................22 2.1.1信息设置............................................................................................................................22 2.1.2设备连接............................................................................................................................23 2.1.3心率血氧测量....................................................................................................................25 2.1.4运动目标............................................................................................................................26 2.1.5睡眠监测............................................................................................................................27 2.1.6其他设置...............................................…

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Covered Equipment Attestation 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 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 2BG7A-RW100 rw100, rw200, rw300, rw400 We, applicant Company Name: Shenzhen Dewanghong Technology Co. LTD Address: Shajing Street West Tea City Hua Feng Jin Yuan Business Building 405, Bao'an District, Shenzhen City, Guangdong Province Phone: 18820254051 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. 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, Jun.23,2024 Signature Date Printed Name of Signee: yangrong Company: Shenzhen Rongwei Technology Co. , Ltd. Address: Shajing Street West Tea City Hua Feng Jin Yuan Business Building 405, Bao'an District, Shenzhen City, Guangdong Province Phone: 18820254051 Email: [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 §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2BG7A-RW100 rw100, rw200, rw300, rw400 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 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, Jun.23,2024 Signature Date Printed Name of Signee: yangrong /Manager Company: Shenzhen Rongwei Technology Co. , Ltd. Address: Shajing Street West Tea City Hua Feng Jin Yuan Business Building 405, Bao'an District, Shenzhen City, Guangdong Province Phone: 18820254051 Fax: Email: [email protected]

Shenzhen Rongwei Technology Co. , Ltd. Shajing Street West Tea City Hua Feng Jin Yuan Business Building 405, Bao'an District, Shenzhen City, Guangdong Province Declaration Letter Date: Jun.23,2024 To: Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern: For our business issue and marketing requirement, we would like to list different model number on the FCC certificates and reports, as following: FCC ID: 2BG7A-RW100 Model Number: rw100, rw200, rw300, rw400 Model Difference: The difference between models is for different market sale, the other (hardware and software) was the same as before. Sincerely, Name / Title yangrong/Manager Company Name Shenzhen Rongwei Technology Co. , Ltd. Company Address Shajing Street West Tea City Hua Feng Jin Yuan Business Building 405, Bao'an District, Shenzhen City, Guangdong Province Tel: 18820254051 Fax: Email: [email protected]

External Photographs FCC ID: 2BG7A-RW100

Label Sample for FCC ID: 2BG7A-RW100 Size for the label: 8mm X 16mm Product Name : Smart Ring Model :rw100 FCC ID :2BG7A-RW100

Internal photographs FCC ID: 2BG7A-RW100 Antenna Battery

Radio frequency radiation exposure evaluation: portable devices 1.1 Radio Frequency Exposure Compliance 1.1.1 Electromagnetic Fields RESULT: Pass Test Specification Test item : Smart Ring Identification / Type No. : rw100 FCC ID : 2BG7A-RW100 Test standard : CFR47 FCC Part 2: Section 2.1093 FCC KDB Publication 447498 v06 Measurement Record: EIRP[dBm] = maximum peak output + antenna Gain =1.39dBm + 3.12dBi =4.51dBm Since maximum peak output power of the transmitter is 4.51 dBm ≈2.82mW < 10mW. Hence the EUT is excluded from SAR evaluation according to FCC KDB Publication 447498 D01 General RF Exposure Guidance v06.

Page1 of 8 WWW.BDS666.COM0755-83044319 SPECIFICATION C eramic Antenna 2012 Size 2400-2500 MHz P/N: KH-2012-HM1 深圳市金航标电子有限公司 Manufacturer: SHENZHEN KINGHELM ELECTRONICS CO., LTD. Address: Room 2010, 20th floor, Building A, Bairuida Building, Wanke City Community, BanTian Street, Longgang District, Shenzhen City Page2 of 8 WWW.BDS666.COM 0755-83044319 1. Frequency 2400-2500 MHz 2. Applications For Miniaturized Bluetooth System 3. Dimensions (Unit : mm) 1). Over View : 2). PCB Layout (Unit : mm) : Page3 of 8 WWW.BDS666.COM 0755-83044319 4. Evaluation Board Size and Matching Circuits 5. Electrical Characteristics Part Number KH-2012-HM1 Central Frequency 2450 MHz Bandwidth 100(typ.) MHz V.S.W.R ≤2.0 Peak Gain 3.12 dBi Impedance 50 Ohm Polarization Linear Azimuth Beamwidth Omni-directional Page4 of 8 WWW.BDS666.COM 0755-83044319 6. Return Loss (S11) 7. Radiation Pattern & Efficiency Frequency (MHz) 2400 2450 2500 Efficiency (dB) -2.22 -1.87 -2.08 Efficiency (%) 60 65 62 Gain (dBi) 2.75 3.12 3.01 Page5 of 8 WWW.BDS666.COM 0755-83044319 8. Reflow Soldering Standard Condition 9. Packaging and Dimensions
Plastic Tape
Remarks for Package Reserve a length of 150~200mm for the trailer of the carrier and 250~300 mm for the leader of the carrier and further 250mm of cover tape at the leading part of the carrier.
Reel (4000 pcs/Reel)
Storage Period Oxidizable Material, 12 months in vacuum sealed bag, please re pack within 168 hours by re- seal the package treatment after using. Storage Temperature Range : <30 degree C, Humidity : <60%RH Reserve a length of 150~200mm for the trailer of the carrier and 250~300 mm for the leader of the carrier and further 250mm of cover tape at the leading part of the Material, 12 months in vacuum sealed bag, please repack within 168 seal the package treatment after using. Storage Temperature Range : <30 degree C, Humidity : <60%RH Page6 of 8 WWW.BDS666.COM 0755-83044319 Reserve a length of 150~200mm for the trailer of the carrier and 250~300 mm for the leader of the carrier and further 250mm of cover tape at the leading part of the Material, 12 months in vacuum sealed bag, please repack within 168 Page7 of 8 WWW.BDS666.COM 0755-83044319 10. Dependability Test Test item Test condition / Test method Specification Solderability IEC 60068-2-58 GB/T2423.28 *Solder bath temperature：240±5°C *Immersion time：2±0.5 sec Solder：Sn96.5Ag3.0Gu0.5 for lead-free. At least 95% of a surface of each terminal electrode must be covered by fresh solder. Leaching (Resistance to dissolution of metallization) JIS C5101 *Solder bath temperature：260±5°C *Leaching immersion time：10±1 sec Solder : Sn96.5 Ag3.0 Gu0.5 for lead-free. Loss of metallization on the edges of each electrode shall not exceed 25%. Resistance to soldering heat IEC 60068-2-58 GB/T2423.28 *Preheating temperature：120~150°C, 1 minute. *Solder temperature：260±5°C *Immersion time：10±1 sec Solder：Sn96.5Ag3.0Gu0.5 for lead-free Measurement to be made after keeping at room temperature for 24±2 hrs. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature. Loss of metallization on the edges of each electrode shall not exceed 25%. Drop Test IEC 60068-2-32 GB/T2423.8 Customer’s specification. *Height：50 cm *Test Surface: Rigid surface of concrete or steel. *Times：6 surfaces for each units；2 times for each side. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature. Vibration IEC 60068-2-6 GB/T 2423.10 *Frequency：10Hz~55Hz~10Hz(1min) *Total amplitude：1.5mm *Test times：6hrs.(Two hrs each in three mutually perpendicular directions) No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature. Adhesive Strength of Termination IEC60068-2-21 GB/T 2423.6 *Pressurizing force： 5N(≦0603)；10N(>0603) *Test time:10±1 sec No remarkable damage or removal of the termination. Page8 of 8 WWW.BDS666.COM 0755-83044319 Bending test IEC 60068-2-21 GB/T 2423.29 The middle part of substrate shall be pressurized by means of the pressurizing rod at a rate of about 1 mm/s per second until the deflection becomes 2mm and then pressure shall be maintained for 10±1 sec. Measurement to be made after keeping at room temperature for 24±2 hours. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature. Temperature cycle IEC60068-2-14 GB/T 2423.22 30 minutes at-40°C±2°C. 10~15 minutes at room temperature. 30minutes at +85°C±2°C. 10~15 minutes at room temperature. Total 100 continuous cycles Measurement to be made after keeping at room temperature for 24±2 hrs. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature. High temperature IEC 60068-2-2 GB/T2423.2 *Temperature：85±2°C. *Test duration：500+24/-0 hours. Measurement to be made after keeping at room temperature for 24±2 hrs. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics. Humidity (steady conditions) IEC60068-2-3 GB/T 2423.3 *Humidity：85±5%R.H. *Temperature：85±2°C. *Time：500+24/-0 hrs. Measurement to be made after keeping at room temperature for 24±2 hrs ※ 200hrs measuring the first data then 300hrs data. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature. Low temperature IEC 60068-2-1 GB/T2423.1 *Temperature：-40±2°C. *Test duration：500+24/-0 hours Measurement to be made after keeping at room temperature for 24±2 hrs. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics at the room temperature.

BSL Testing Co.,LTD. Report No.: BSL240604175002RF Report No.: BSL240604175002RF Page 1 of 32 FCC Part 15.247 FCC Part 15C Measurement and Test Report For Shenzhen Rongwei Technology Co. , Ltd. FCC ID: 2BG7A-RW100 FCC Rule(s): FCC Part 15.247 Product Description: Smart Ring Tested Model: rw100 Report No.: BSL240604175002RF Tested Date: Jun.02~26, 2024 Issued Date: Jun. 27, 2024 Tested By: Lris Yao / Engineer Reviewed By: Levi Xiao / EMC Manager Approved & Authorized By: Salon Ouyang / PSQ Manager Prepared By: BSL 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 Tel: 400-882-9628 Fax: 86- 755-26508703 BSL Testing Co.,LTD. Report No.: BSL240604175002RF Report No.: BSL240604175002RF Page 2 of 32 FCC Part 15.247 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................3 1.2 TEST STANDARDS ...................................................................................................................................................4 1.3 TEST METHODOLOGY .............................................................................................................................................4 1.4 TEST FACILITY .......................................................................................................................................................4 1.5 EUT SETUP AND TEST MODE .................................................................................................................................5 1.6 MEASUREMENT UNCERTAINTY ..............................................................................................................................5 1.7 TEST EQUIPMENT LIST AND DETAILS .....................................................................................................................6 2. SUMMARY OF TEST RESULTS ...........................................................................................................................7 3. RF EXPOSURE .........................................................................................................................................................8 3.1 STANDARD APPLICABLE .........................................................................................................................................8 3.2 TEST RESULT..........................................................................................................................................................8 4. ANTENNA REQUIREMENT ..................................................................................................................................9 4.1 STANDARD APPLICABLE .........................................................................................................................................9 4.2 EVALUATION INFORMATION...................................................................................................................................9 5. POWER SPECTRAL DENSITY ........................................................................................................................... 10 5.1 STANDARD APPLICABLE ....................................................................................................................................... 10 5.2 TEST PROCEDURE ................................................................................................................................................. 10 5.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................ 10 5.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 10 6. 6DB BANDWIDTH ................................................................................................................................................. 13 6.1 STANDARD APPLICABLE ....................................................................................................................................... 13 6.2 TEST PROCEDURE ................................................................................................................................................. 13 6.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................ 13 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 7. RF OUTPUT POWER ............................................................................................................................................ 16 7.1 STANDARD APPLICABLE ....................................................................................................................................... 16 7.2 TEST PROCEDURE ................................................................................................................................................. 16 7.3 ENVIRONMENTAL CONDITIONS ............................................................................................................................ 16 7.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 16 8. FIELD STRENGTH OF SPURIOUS EMISSIONS ............................................................................................. 17 8.1 STANDARD APPLICABLE ....................................................................................................................................... 17 8.2 TEST PROCEDURE .........…

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Test Setup Photos FCC ID: 2BG7A-RW100