2AZH5-WZY-08A2SMART FITNESS RING

Front of ring 3 1 2 4 Data Collector 2 1 3 1. Charging port: the red light stays on when charging. 2. Switch: OFF to shut down, ON to start 3. Indicator light: green light flashes when not connected/green light stays on when connected 4. Strap: tie the strap on the thigh with the data collector facing outward Equipment power: 3 hours charging, 12 hours using, if insufficient Equipment power: 3 hours charging, 12 hours using, if insufficient power, the red light flashes, please recharge in time. Power saving mode: if the fitness ring is not connected to Bluetooth or not used within 2 minutes, it will enter hibernation state, you need to turn on the device switch again. Keep the charging port facing the athlete when the fitness ring is turned on. Smart Fitness Ring App download For Android & iOS:For Android & iOS: Sma r t F itness Ring Sma r t F itness Ring Instructions 1. After starting the game app, register a dedicated account and log in. After entering the exercise interface, the bluetooth connection screen will be displayed, select ZTYN-JSH-****** to connect, the interface shows that the bluetooth connection is successful, indicating light is steady green. 2. If the connection fails during use, it may be due to insufficient power 2. If the connection fails during use, it may be due to insufficient power of the device, or the device's bluetooth is not turned on, etc. 3. During exercise, if the fitness ring not working or working inaccurately, please face up the charging port of the fitness ring and place it flat for 3 seconds to reset. If you need to pause or exit, you need to hold the fitness ring flat for 6 seconds to pause or return to the main interface. Common issues How to unbind/match the fitness ring?How to unbind/match the fitness ring? Click the homepage setting button to enter the setting interface, click "Unbind" to release the fitness ring, Click "Connect Device" to connect a new fitness ring. If the ring body or data collector needs to be replaced in the equipment, turn on the ring's power switch, click settings, enter any number of channel numbers (10-100), if there are multiple settings. The interval between the two values must be 5 or more. For example, A is 10, and B is 15. After the red and green lights flash alternately on the ring, and B is 15. After the red and green lights flash alternately on the ring, restart the date collector at this time and wait for the green light to stay on, that is, the code pairing is successful. If the green light is off or still flashes, you can try to pair again. Can't run the app after installation? The app requires Android system version 4.4 or higher, Bluetooth 5.0 or higher, and enough memory, if it appears phenomena such as installation failure or freeze, indicating that the phone is not suitable for this app.failure or freeze, indicating that the phone is not suitable for this app. The phone can't cast screen? The mobile phone uses wireless projection app for TV or other equipments. if the projected device shows lagging, that is due to external hardware mismatch, please change another projection environment or equipment or both and try again Can't find the bluetooth device? It appears that the bluetooth device cannot be found, you can check if the It appears that the bluetooth device cannot be found, you can check if the bluetooth function of the mobile phone is turned on, if it is not turned on , you need to manually turn it on. FCC Warning 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. Any 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. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2021-4-1> 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 requests confidentiality for the following products: FCC ID Model name 2AZH5-WZY-08A2 WZY-08A2 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Jianjun Fu/CEO Company: DANCE CHAMPION TECHNOLOGY CO.,LIMITED Address: ROOM 023 9/F BLOCK G KWAI SHING IND BLDG (STAGE 2) 42- 46 TAI LIN PAI RD KWAICHUNG CHINA Phone: +08613823226096 Fax: 0755-27136456 E-Mail: [email protected]

DANCE CHAMPION TECHNOLOGY CO.,LIMITED ROOM 023 9/F BLOCK G KWAI SHING IND BLDG (STAGE 2) 42-46 TAI LIN PAI RD KWAICHUNG CHINA Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2021-4-1 To whom it may concern: We, DANCE CHAMPION TECHNOLOGY CO.,LIMITED the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AZH5-WZY-08A2 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Jianjun Fu/CEO Company: DANCE CHAMPION TECHNOLOGY CO.,LIMITED Address: ROOM 023 9/F BLOCK G KWAI SHING IND BLDG (STAGE 2) 42-46 TAI LIN PAI RD KWAICHUNG CHINA Phone: +08613823226096 Fax: 0755-27136456 E-Mail: [email protected]

Page: 3 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT Page: 4 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT Page: 5 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT Page: 6 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Photo 7 Appearance of EUT

Page: 1 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Appendix IFCC ID Label Size for the label: 10mm X 10mm FCCID:2AZH5WZY-08A2 Model: WZY-08A2 Page: 2 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Appendix II ID Label Location ID LOCATION

Page: 7 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 8 Appearance of EUT Photo 9 Appearance of PCB&Battrery 2.4GAntenna Page: 8 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Photo 10 Appearance of PCB&Battery Photo 11 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE179560 Page: 1 of 3 TB-RF-074-1.0 1A/F., Bldg.6, Yusheng Industrial Zone, The National Road No.107 Xixiang Section 467, Xixiang, Bao’an, Shenzhen, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2AZH5-WZY-08A2 1. Client Information Applicant : DANCE CHAMPION TECHNOLOGY CO., LIMITED Address : ROOM 023 9/F BLOCK G KWAI SHING IND BLDG (STAGE 2) 42-46 TAI LIN PAI RD KWAICHUNG CHINA Manufacturer : Shenzhen Wuzhuangyuan Technology Co., Ltd. Address : 3/f, building a, No. 8, Dadi Road, Shapu Wai, Songgang town, Bao 'an district, Shenzhen, China 2. General Description of EUT EUT Name : SMART FITNESS RING Model(s) No. : WZY-08A2 Model Different : ---- Sample ID : TBBJ-20210127-12-1# & TBBJ-20210127-12-2# Product Description : Operation Frequency: 2.4G: 2402MHz~2480MHz Number of Channel: 78 channels RF Output Power: 2.011 dBm (Max) Antenna Gain: 2 dB PCB Antenna Modulation Type: GFSK Bit Rate of Transmitter: 1Mbps Power Rating : Input: DC 5V DC 3.7V by 400mAh Li-ion battery Software Version : V0.1 Hardware Version : V0.1 Connecting I/O Port(S) : : Please refer to the User's Manual Remark: The antenna gain provided by the applicant, the adapter and verified for the RF conduction test and adapter provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TB-MPE179560 Page: 2 of 3 TB-RF-074-1.0 SAR Test Exclusion Calculations 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, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤7.5.0 for 10-g SAR Report No.: TB-MPE179560 Page: 3 of 3 TB-RF-074-1.0 2. Calculation: Test separation: 5mm BLE Mode (1Mbps) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 -0.735 0±1 1 1.259 0.390 3.0 2.441 1.732 1±1 2 1.585 0.495 3.0 2.480 1.425 1±1 2 1.585 0.499 3.0 Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06. -----END OF REPORT-----

Shenzhen Toby Technology Co., Ltd. Report No.: TB-FCC179559 Page: 1 of 42 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 FCC Radio Test Report FCC ID: 2AZH5-WZY-08A2 Original Grant Report No. : TB-FCC179559 Applicant : DANCE CHAMPION TECHNOLOGY CO., LIMITED Equipment Under Test (EUT) EUT Name : SMART FITNESS RING Model No. : WZY-08A2 Series Model No. : N/A Brand Name : WZY Sample ID : TBBJ-20210127-12-1# & TBBJ-20210127-12-2# Receipt Date : 2021-01-29 Test Date : 2021-01-29 to 2021-03-31 Issue Date : 2021-03-31 Standards : FCC Part 15, Subpart C 15.247 Test Method : ANSI C63.10: 2013 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above, Test/Witness Engineer : Seven Wu Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai 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.: TB-FCC179559 Page: 2 of 42 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 .............................................................................................. 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 .................................................................................................................. 12 5. CONDUCTED EMISSION TEST ........................................................................................... 13 5.1 Test Standard and Limit .................................................................................................... 13 5.2 Test Setup ........................................................................................................................... 13 5.3 Test Procedure ................................................................................................................... 14 5.4 Deviation From Test Standard ......................................................................................... 14 5.5 EUT Operating Mode ........................................................................................................ 14 5.6 Test Data ............................................................................................................................. 14 6. RADIATED EMISSION TEST ................................................................................................ 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 Condition ................................................................................................. 18 6.6 Test Data ............................................................................................................................. 18 7. RESTRICTED BANDS REQUIREMENT ............................................................................. 19 7.1 Test Standard and Limit .................................................................................................... 19 7.2 Test Setup ........................................................................................................................... 19 7.3 Test Procedure ................................................................................................................... 19 7.4 Deviation From Test Standard ......................................................................................... 20 7.5 EUT Operating Condition ................................................................................................. 20 7.6 Test Data ............................................................................................................................. 20 8. BANDWIDTH TEST ................................................................................................................. 21 8.1 Test Standard and Limit .................................................................................................... 21 8.2 Test Setup .............................................................................................................…

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

Page: 9 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Appendix V EUT Test Photographs 15C Test Setup Photo of Setup for Radiated Emission (Above 1 GHz) Photo of Setup for Radiated Emission (Below 1 GHz) Page: 10 of 10 FCC ID:2AZH5WZY-08A2 TB-RF-074-1.0 Photo of Setup for Conducted Emission -----END OF REPORT-----