COM-ES-80143BTBLUETOOTH EARPHONES

SHENZHEN AOB ELECTRONICS CO., LTD May 20, 2012 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD FCC ID: COM-ES-80143BT To Whom It May Concern: This letter is to ascertain that SHENZHEN AOB ELECTRONICS CO., LTD （Product：BLUETOOTH EARPHONES Model name: ES-80143BT has been the units used for conducting FCC compliance testing, the DoC part will be tested by FCC recognized test lab. If you have any question or concerns, pls. contact us.

SHENZHEN AOB ELECTRONICS CO., LTD May 20, 2012 To: SIEMIC, INC. 2206 Ringwood Avenue, San Jose, CA 95131 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, ______ SHENZHEN AOB ELECTRONICS CO., LTD ___hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s): Product Description: BLUETOOTH EARPHONES Model name: ES-80143BT We affirm that between SIEMIC and _ SHENZHEN AOB ELECTRONICS CO., LTD __, any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities. Sincerely,

SCS-F19: Confidentiality Request Letter Page 1 of 1 Rev 2.0 SHENZHEN AOB ELECTRONICS CO., LTD May 20, 2012 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Confidentiality Request regarding application for certification of FCC ID: COM-ES-80143BT We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Operational Description - Schematic 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 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application.

FCC Certification Label Sample FCC ID: COM-ES-80143BT 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.

FCC Certification label location Sample Label location

Antenna

FCC ID : COM-ES-80143BT Portable device According to §15.247(e)(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to KDB 447498 (2)(a)(i) Frequency Range Low Frequency (MHz) High Frequency(MHz) Maximum measured transmitter power frequency (MHz) 60/f SAR Limitation (mw) 2402 2480 2402 25.0 Maximum measured transmitter power Conducted Power (mw) Max Antenna Gain (dBi) EIRP (mw) 0.12 0 0.12 Remark: The best case gain of the antenna is 0dBi. 0dBi logarithmic terms convert to numeric result is nearly 1 According to the formula. calculate the EIRP test result: EIRP= P x G = 0.12mW x 1= 0.12mW Threshold at which no SAR required is 25.0mw. Maximum Tx power is 0.12mw EIRP. Conclusion: No SAR is required. SIMULTANEOUS TRANSMISSION EVALUATION N/A

Page 1 of 82 FCC ID: COM-ES-80143BT ACCURATE TECHNOLOGY CO. LTD Report No.: ATE20120635 APPLICATION CERTIFICATION On Behalf of SHENZHEN AOB ELECTRONICS CO., LTD BLUETOOTH EARPHONES Model No.: ES-80143BT FCC ID: COM-ES-80143BT Prepared for : SHENZHEN AOB ELECTRONICS CO., LTD Address : Bldg A4, Third Industry Area, Huang Ma Bu Village, Xixiang Town, Bao An District, Shenzhen, China Prepared by : ACCURATE TECHNOLOGY CO. LTD Address : F1, Bldg. A, Changyuan New Material Port, Keyuan Rd. Science & Industry Park, Nanshan, Shenzhen, Guangdong P.R. China Tel: (0755) 26503290 Fax: (0755) 26503396 Report Number : ATE20120635 Date of Test : May 10-24, 2012 Date of Report : May 24, 2012 Page 2 of 82 FCC ID: COM-ES-80143BT ACCURATE TECHNOLOGY CO. LTD Report No.: ATE20120635 TABLE OF CONTENTS Description Page Test Report Certification 1. GENERAL INFORMATION .......................................................................................................... 5 1.1. Description of Device (EUT)....................................................................................................................5 1.2. Special Accessory and Auxiliary Equipment ...........................................................................................5 1.3. Description of Test Facility ......................................................................................................................6 1.4. Measurement Uncertainty.........................................................................................................................6 2. MEASURING DEVICE AND TEST EQUIPMENT ..................................................................... 7 3. OPERATION OF EUT DURING TESTING ................................................................................. 8 3.1. Operating Mode ........................................................................................................................................8 3.2. Configuration and peripherals ..................................................................................................................8 4. TEST PROCEDURES AND RESULTS ......................................................................................... 9 5. 20DB BANDWIDTH TEST............................................................................................................10 5.1. Block Diagram of Test Setup..................................................................................................................10 5.2. The Requirement For Section 15.247(a)(1) ............................................................................................10 5.3. EUT Configuration on Measurement .....................................................................................................10 5.4. Operating Condition of EUT ..................................................................................................................10 5.5. Test Procedure ........................................................................................................................................11 5.6. Test Result ..............................................................................................................................................11 6. CARRIER FREQUENCY SEPARATION TEST........................................................................ 15 6.1. Block Diagram of Test Setup..................................................................................................................15 6.2. The Requirement For Section 15.247(a)(1) ............................................................................................15 6.3. EUT Configuration on Measurement .....................................................................................................15 6.4. Operating Condition of EUT ..................................................................................................................15 6.5. Test Procedure ........................................................................................................................................16 6.6. Test Result ..............................................................................................................................................16 7. NUMBER OF HOPPING FREQUENCY TEST ......................................................................... 20 7.1. Block Diagram of Test Setup..................................................................................................................20 7.2. The Requirement For Section 15.247(a)(1)(iii) ......................................................................................20 7.3. EUT Configuration on Measurement .....................................................................................................20 7.4. Operating Condition of EUT ..................................................................................................................20 7.5. Test Procedure ........................................................................................................................................21 7.6. Test Result ..............................................................................................................................................21 8. DWELL TIME TEST ..................................................................................................................... 25 8.1. Block Diagram of Test Setup..................................................................................................................25 8.2. The Requirement For Section 15.247(a)(1)(iii) ......................................................................................25 8.3. EUT Configuration on Measurement .....................................................................................................25 8.4. Operating Condition of EUT ................................................................................................................…

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Conducted emissions test Radiated emissions test < 30MHz Radiated emissions test < 1GHz Radiated emissions test > 1GHz