VO8-PTrue Wireless Stereo Earphones

User manual Model： P 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. Changes or modifications to this unit 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. This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter. Radiation Exposure Statement The device has been evaluated to meet general RF exposure requirement. in portable exposure condition without restriction.

Difference description FCC ID: VO8-P Model: P, Fi, EI, Ei2, G, Ti2, X, Action, HN+, H2, HS, LS, Li-es, L, Li, Li pro The True Wireless Stereo Earphones manufactured by GuangZhou LIWEI Electronics, LTD needs to apply for FCC certification. The applied models are as list above. They are the same except for the model name, even the principle of the circuit, the electrical structure and all key components related to safety and electromagnetic compatibility are the same. The difference does not affect the EMC or RF for FCC related rule parts. Company: Name: Jiawei Yang Company: GuangZhou LIWEI Electronics, LTD Address: No.33 Zhenzhong North Rd, Shenshan Ind.Park BaiYun District, Guangzhou, GuangDong, China Phone: +86-020-86062626 Fax: +86-020-86062626 E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: 6/10/2020 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 requests confidentiality for the following products: FCC ID Model name VO8-P P, Fi, EI, Ei2, G, Ti2, X, Action, HN+, H2, HS, LS, Li-es, L, Li, Li pro 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, Signature Jiawei Yang Manager GuangZhou LIWEI Electronics, LTD

GuangZhou LIWEI Electronics, LTD No.33 Zhenzhong North Rd, Shenshan Ind.Park BaiYun District, Guangzhou, GuangDong, China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 6/10/2020 To whom it may concern: We, GuangZhou LIWEI Electronics, 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: VO8-P 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, Signature Jiawei Yang Manager GuangZhou LIWEI Electronics, LTD

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 5 EXTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 5 Fig.3 Fig.4 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 5 Fig.5 Fig.6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 4 of 5 Fig.7 Fig.8 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 5 of 5 Fig.9

Label & Label Location Size: 10mm(L)*5mm(W) FCC ID: VO8-P

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 3 INTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 3 Fig.3 Fig.4 Bluetooth Antenna Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 3 Fig.5 Fig.6

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 2 RADIO FREQUENCY EXPOSURE Limit According to section 4.3.1 of KDB 447498 D01 General RF Exposure Guidance v06, SAR evaluation is required if the separation distance between the user and/or bystander and the antenna and/or radiating element of the device is less than or equal to 20 cm, except when the device operates at or below the applicable output power level (adjusted for tune-up tolerance) for the specified separation distance defined in Appendix A. Appendix A SAR Test Exclusion Thresholds for 100 MHz – 6 GHz and ≤ 50 mm MHz 5 10 15 20 25 mm 150 39 77 116 155 194 SAR Test Exclusion Threshold (mW) 300 27 55 82 110 137 450 22 45 67 89 112 835 16 33 49 66 82 900 16 32 47 63 79 1500 12 24 37 49 61 1900 11 22 33 44 54 2450 10 19 29 38 48 3600 8 16 24 32 40 5200 7 13 20 26 33 5400 6 13 19 26 32 5800 6 12 19 25 31 MHz 30 35 40 45 50 mm 150 232 271 310 349 387 SAR Test Exclusion Threshold (mW) 300 164 192 219 246 274 450 134 157 179 201 224 835 98 115 131 148 164 900 95 111 126 142 158 1500 73 86 98 110 122 1900 65 76 87 98 109 2450 57 67 77 86 96 3600 47 55 63 71 79 5200 39 46 53 59 66 5400 39 45 52 58 65 5800 37 44 50 56 62 Note: Manufacturer declared that the maximum antenna gain is 3.1dBi (Max.). Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 2 Conducted Power Results Test Mode Channel Frequency (MHz) Measured Peak Output Power (dBm) GFSK 00 2402 -9.202 39 2441 -8.995 78 2480 -9.277 π/4-DQPSK 00 2402 -9.192 39 2441 -8.107 78 2480 -8.401 Manufacturing tolerance GFSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -9.5 -9.0 -9.5 Tolerance ±(dB) 1.0 1.0 1.0 π/4-DQPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) -9.5 -8.0 -8.5 Tolerance ±(dB) 1.0 1.0 1.0 Results Test Mode Channel Frequency (MHz) Max. Tune Up Power (dBm, Peak) Max. Eirp including Tune Up (dBm, Peak) Max. Eirp including Tune Up (mW, Peak) Exemption Limit (mW) GFSK 2402 -8.5 -5.4 0.29 10 2441 -8.0 -4.9 0.32 10 2480 -8.5 -5.4 0.29 10 π/4-DQPSK 2402 -8.5 -5.4 0.29 10 2441 -7.0 -3.9 0.41 10 2480 -7.5 -4.4 0.36 10 The antenna gain of the EUT for BT is 3.1dBi (Max). the Maximum Eirp is used for Routine Evaluation Exemption according to section 4.3.1 of KDB 447498 D01. So, the SAR evaluation is not required.

Report No.: TZ200501366-E Page 1 of 35 FCC TEST REPORT Test report On Behalf of GuangZhou LIWEI Electronics, LTD For True Wireless Stereo Earphones Model No: P, Fi, EI, Ei2, G, Ti2, X, Action, HN+, H2, HS, LS, Li-es, L, Li, Li pro FCC ID: VO8-P Prepared for : GuangZhou LIWEI Electronics, LTD No.33 Zhenzhong North Rd, Shenshan Ind.Park BaiYun District, Guangzhou, GuangDong, China Prepared By : Shenzhen Tongzhou Testing Co.,Ltd 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China Date of Test: 2020/5/21 - 2020/5/29 Date of Report: 2020/5/30 Report Number: TZ200501366-E The test report apply only to the specific sample(s) tested under stated test conditions It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: TZ200501366-E Page 2 of 35 TEST RESULT CERTIFICATION Applicant’s name ................. : GuangZhou LIWEI Electronics, LTD Address .................................. : No.33 Zhenzhong North Rd, Shenshan Ind.Park BaiYun District, Guangzhou, GuangDong, China Manufacture's Name ............ : GuangZhou LIWEI Electronics, LTD Address .................................. : No.33 Zhenzhong North Rd, Shenshan Ind.Park BaiYun District, Guangzhou, GuangDong, China Product description Trade Mark ............................. : Bluedio Product name ........................... : True Wireless Stereo Earphones Model No ................................ : P, Fi, EI, Ei2, G, Ti2, X, Action, HN+, H2, HS, LS, Li-es, L, Li, Li pro Standards ............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.247 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Tongzhou Testing Co.,Ltd is acknowledged as copyright owner and source of the material. Shenzhen Tongzhou Testing 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. Date of Test ............................. ........... : Date (s) of performance of tests ........... : 2020/5/21 - 2020/5/29 Date of Issue ......................................... : 2020/5/30 Test Result ............................................ : PASS Testing Engineer : (Nancy Li) Technical Manager : (Hugo Chen) Authorized Signatory : (Andy Zhang) Report No.: TZ200501366-E Page 3 of 35 Revision History Revision Issue Date Revisions Revised By 00 2020/5/30 Initial Issue Andy Zhang Report No.: TZ200501366-E Page 4 of 35 TABLE OF CONTENTS Description Page 1. GENERAL INFORMATION ................................................................................................................ 5 1.1. Description of Device (EUT) ...................................................................................................................... 5 1.2 Support equipment List ................................................................................................................................ 5 1.3 EUT configuration ......................................................................................................................................... 5 1.4 External I/O Cable ........................................................................................................................................ 5 1.5 Description of Test Facility .......................................................................................................................... 5 1.6 Statement of the Measurement Uncertainty ............................................................................................. 6 1.7 Measurement Uncertainty ........................................................................................................................... 6 1.8 Description of Test Modes .......................................................................................................................... 6 2. TEST METHODOLOGY ...................................................................................................................... 7 2.1 EUT Configuration ........................................................................................................................................ 7 2.2 EUT Exercise ................................................................................................................................................ 7 2.3 General Test Procedures ............................................................................................................................ 7 2.4. Test Sample ................................................................................................................................................. 7 3. SYSTEM TEST CONFIGURATION .................................................................................................. 8 3.1 Justification .................................................................................................................................................... 8 3.2 EUT Exercise Software ............................................................................................................................... 8 3.3 Special Accessories ..................................................................................................................................... 8 3.4 Block Diagram/Schematics ......................................................................................................................... 8 3.5 Equipment Modifications ............................................................................................................................. 8 3.6 Test Setup ..................................................................................................................................................... 8 4. SUMMARY OF TEST RESULTS ....................................................................…

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: VO8-P This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 1 TEST SETUP PHOTOS OF THE EUT Radiated Emission Below 1GHz Radiated Emission Above 1GHz