2AEW6EB2951Bluetooth Earbud

QA-FR-172-A TESONIC INTERNATIONAL(HK) LTD. Add: Room 2801,the 28th Office Tower,6007 Shennan Avenue Shenzhen China Tel: 86-755-83867197 Fax: 86-755-83867200 FCC Confidential Authorization Date: 2015-07-17 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Confidentiality Request regarding application for certification of FCC ID: 2AEW6EB2951 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: ƒ Detailed Circuit Schematics of EUT--- (Long term) ƒ Block Diagram--- (Long term) ƒ Circuit Description--- (Long term) The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely Yours, Signature Fiona Liu Manager

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS EUT – All View EUT – Top View EUT – Bottom View EUT – Side View EUT – Side View EUT – Side View EUT – Side View EUT –USB Port View

EXHIBIT A - FCC ID LABELING AND LOCATION FCC ID Label Proposed FCC ID Label Location The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925) Label Here

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS EUT –Uncover View EUT –Main Board Top View EUT –Main Board Bottom View EUT –RF Chip View EUT –BT Antenna View EUT –Battery Top View EUT –Battery Bottom View

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For TESONIC INTERNATIONAL(HK) LTD. Room 2801,the 28th Office Tower, 6007 Shennan Avenue,Shenzhen ,China Report Type: Original Report Product Type: bluetooth earbud Test En gineer: Dean Liu Re port Number: RDG150714002-00A Re port Date: 2015-07-24 Reviewed B y: Sula Huang RF Leader Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industrial Zone, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn FCC ID: 2AEW6EB2951 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG150714002-00A FCC Part 15.247 Page 2 of 67 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 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 5 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 5 EXTERNAL CABLE ........................................................................................................................................................ 5 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 §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 MEASUREMENT UNCERTAINTY .................................................................................................................................. 10 EUT SETUP ................................................................................................................................................................ 10 EMI TEST RECEIVER SETUP ....................................................................................................................................... 11 TEST PROCEDURE ...................................................................................................................................................... 11 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 11 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 12 TEST RESULTS SUMMARY .......................................................................................................................................... 12 TEST DATA ................................................................................................................................................................ 12 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS ............................................................................. 15 APPLICABLE STANDARD ............................................................................................................................................ 15 MEASUREMENT UNCERTAINTY ........................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions – Side View Radiated Emission - Front View (Below 1GHz) Radiated Emission - Rear View (Below 1GHz) Radiated Emission - Front View (Above 1GHz) Radiated Emission - Rear View (Above 1GHz)