2AVYG-ZIP20True Wireless Earphone

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 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 expressly or modifications not approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment . This transmitter must not be co ‐ located or operating in conjunction with any other antenna or transmitter.

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Left Right

Label location

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Left ANT Right ANT

FCC PART 15.247 TEST REPORT For Yibai Science & Technology (Shenzhen) Co., Ltd. No. 1112, Building 5A, Tusincere Technology Park. Huanggekeng Community Longcheng Street,Longgang,Shenzhen,China FCC ID: 2AVYG-ZIP20 Report Type: Original Report Product Name: True Wireless Earphone Re port Number: RDG201014153-00B Re port Date: 2020-11-13 Reviewed By: Ivan Cao Assistant Manager Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG201014153-00B Page 2 of 48 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 DECLARATIONS ............................................................................................................................................................ 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 FCC §15.247 (i) & §1.1310 & §2.1093- RF EXPOSURE ............................................................................................ 8 APPLICABLE STANDARD .............................................................................................................................................. 8 FCC §15.203 - ANTENNA REQUIREMENT ............................................................................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 ANTENNA CONNECTOR CONSTRUCTION ...................................................................................................................... 9 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 10 APPLICABLE STANDARD ............................................................................................................................................ 10 EUT SETUP ................................................................................................................................................................ 10 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 11 TEST PROCEDURE ...................................................................................................................................................... 11 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 11 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 12 TEST DATA ................................................................................................................................................................ 12 FCC §15.247(a) (1) - CHANNEL SEPARATION TEST ......................................................................................... 18 APPLICABLE STANDARD ............................................................................................................................................ 18 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 18 TEST PROCEDURE ...................................................................................................................................................... 18 TEST DATA ................................................................................................................................................................ 18 FCC §15.247(a) (1) – 20 dB BANDWIDTH TESTING ............................................................................................ 24 APPLICABLE STANDARD ...................................................................…

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

EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View Radiated Emission Above 1GHz View