2AKI8-20526Pro True Wireless Earbuds

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.

TOPWAY EM ENTERPRISE LTD. Add: 8F BLOCK B BUILDING 6 BAONENG S & T PARK, LONG HUA, SHENZHEN GD, China Date: 2021-7-2 FCC ID: 2AKI8-20526 Dear Sir/Madam, We, TOPWAY EM ENTERPRISE LTD. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: Pro True Wireless Earbuds Model no.: 21TW06, 20526 Sincerely, Name/Title： ZHUANG LIANG/ Company: TOPWAY EM ENTERPRISE LTD. Address: 8F BLOCK B BUILDING 6 BAONENG S & T PARK, LONG HUA, SHENZHEN GD, China Phone: 0755-83820825 Fax: 0755-83950057 E-Mail: [email protected]

TOPWAY EM ENTERPRISE LTD. 8F BLOCK B BUILDING 6 BAONENG S & T PARK, LONG HUA, SHENZHEN GD, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2021-7-2 To whom it may concern: We, TOPWAY EM ENTERPRISE LTD. the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AKI8-20526 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： ZHUANG LIANG/ Company: TOPWAY EM ENTERPRISE LTD. Address: 8F BLOCK B BUILDING 6 BAONENG S & T PARK, LONG HUA, SHENZHEN GD, China Phone: 0755-83820825 Fax: 0755-83950057 E-Mail: [email protected]

FCC ID: 2AKI8-20526 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2AKI8-20526 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2AKI8-20526 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT

FCC ID: 2AKI8-20526 TB-RF-074-1.0 Appendix IFCC ID Label Size for the label: 18mm X 6.5mm FCC ID: 2AKI8-20526 TB-RF-074-1.0 Appendix II ID Label Location ID LOCATION

FCC ID: 2AKI8-20526 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 7 Interal of EUT Photo 8 Interal of PCB&Battery FCC ID: 2AKI8-20526 TB-RF-074-1.0 Photo 9 Appearance of PCB&Battery Photo 10 Interal of EUT FCC ID: 2AKI8-20526 TB-RF-074-1.0 Photo 11 Appearance of PCB&Battery Photo 12 Interal of PCB&Battery Antenna

Shenzhen Toby Technology Co., Ltd. Report No.: TB-MPE180892 Page: 1 of 3 TB-RF-074-1.0 1 A/F., Building.6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao’an, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2AKI8-20526 1. Client Information Applicant : TOPWAY EM ENTERPRISE LTD. Address : 8F BLOCK B BUILDING 6 BAONENG S & T PARK LONG HUA SHENZHEN GD China Manufacturer : Shenzhen Jia Hua Li Dian Zi You Xian Gong Si Address NO 101, 201, BUILDING E, NEW INDUSTRIAL ZONE, SHENZHU ROAD, LIUYUE SHENKENG VILLAGE, HENGGANG, LONGGANG DISTRICT, SHENZHEN CHINA 2. General Description of EUT EUT Name : Pro True Wireless Earbuds Model(s) No. : 21TW06, 20526 Model Different : All these models are in the same PCB, layout and circuit, the only difference is the model and color. Product Description : Operation Frequency: Bluetooth V5.0(BT): 2402~2480 MHz Number of Channel: Bluetooth: 79 Channels Max Peak Output Power: Bluetooth: -0.252 dBm(π/4-DQPSK) Antenna Gain: 0.8 dBi Caremic Antenna Modulation Type: GFSK π/4-DQPSK 8-DPSK Power Supply (Earphone) : Input: Output DC 5V DC 3.7V by 50mAh Li-ion battery Power Supply (Charger Box) : Input: Output DC 5V DC 3.7V by 300mAh Li-ion battery Software Version : v5.0 Hardware Version : v1.0 Remark: The antenna gain and adapter provided by the applicant, the adapter and verified for the RF conduction test provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TB-MPE180892 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-MPE180892 Page: 3 of 3 TB-RF-074-1.0 2. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) 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 -0.324 0±1 1 1.259 0.390 3.0 2.441 -1.196 -1±1 0 1.000 0.312 3.0 2.480 -2.475 -2±1 1 1.259 0.397 3.0 Bluetooth Mode (π/4-DQPSK) 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 -0.252 0±1 1 1.259 0.390 3.0 2.441 -1.297 -1±1 0 1.000 0.312 3.0 2.480 -2.229 -2±1 1 1.259 0.397 3.0 Bluetooth Mode (8-DPSK) 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 -0.262 0±1 1 1.259 0.390 3.0 2.441 -0.975 0±1 1 1.259 0.393 3.0 2.480 -2.152 -2±1 1 1.259 0.397 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-FCC180891 Page: 1 of 92 TB-RF-074-1.0 1 A/F., Building.6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao’an, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 FCC Radio Test Report FCC ID: 2AKI8-20526 Original Grant Report No. : TB-FCC180891 Applicant : TOPWAY EM ENTERPRISE LTD. Equipment Under Test (EUT) EUT Name : Pro True Wireless Earbuds Model No. : 21TW06 Series Model No. : 20526 Brand Name : N/A Sample ID : TBBJ-20210602-08-1#& TBBJ-20210602-08-2# Receipt Date : 2021-06-08 Test Date : 2021-06-08 to 2021-07-02 Issue Date : 2021-07-02 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, The EUT technically complies with the FCC requirements 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-FCC180891 Page: 2 of 92 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 .............................................................................................. 7 1.5 Description of Test Mode .................................................................................................... 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 ......................................................................................... 17 6.4 EUT Operating Condition ................................................................................................. 17 6.5 Test Data ............................................................................................................................. 17 7. RESTRICTED BANDS REQUIREMENT ............................................................................. 18 7.1 Test Standard and Limit .................................................................................................... 18 7.2 Test Setup ........................................................................................................................... 18 7.3 Test Procedure ................................................................................................................... 19 7.4 Deviation From Test Standard ......................................................................................... 20 7.5 EUT Operating Condition ................................................................................................. 20 7.6 Test Data ............................................................................................................................. 20 8. NUMBER OF HOPPING CHANNEL .................................................................................... 21 8.1 Test Standard and Limit ...........................................................................…

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FCC ID: 2AKI8-20526 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) FCC ID: 2AKI8-20526 TB-RF-074-1.0 Photo of Setup for Conducted Emission -----END OF REPORT-----