2AD3J-GOGOWireless BT speaker

MET Laboratories TCB - Samples Agent Authorization Letter 2015-03-12 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Most Technology Service Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name Jane Hu Position Engineer Company Name Da Chang Industries Co., Ltd Address JinBei Road, Chang Ping Town, Dong Guan City, GuangDong Province E-Mail [email protected]

Declaration statement Letter 2015-03-12 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Declaration statement Letter To Whom It May Concern: We hereby declare that (GO-GO SPEAKER / SA-GG01) fulfill the requirements of 47 CFR Part 15C Section 15.247(g) & 15.247(h). Compliance for section 15.247(g) According to Bluetooth Core Specification, the Bluetooth system transmits the packet with the pseudorandom hopping frequency with a continuous data and the short burst transmission from the Bluetooth system is also transmitted under the frequency hopping system with the pseudorandom hopping frequency system. Compliance for section 15.247(h) According to Bluetooth Core specification, the Bluetooth system incorporates with an adaptive system to detect other user within the spectrum band so that it individually and independently to avoid hopping on the occupied channels. According to the Bluetooth Core specification, the Bluetooth system is designed not have the ability to coordinated with other FHSS System in an effort to avoid the simultaneous occupancy of individual hopping frequencies by multiple transmitter. Please contact me if there is any information you may need. Sincerely, Name Jane Hu Position Engineer Company Name Da Chang Industries Co., Ltd Address JinBei Road, Chang Ping Town, Dong Guan City, GuangDong Province Tel / Fax 86-769-8108 2386 /86-769-8993 3228

MET Laboratories TCB - Samples Long Term Confidentiality Request Letter 2015-03-12 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (GO-GO SPEAKER / SA-GG01) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. SPECIFY REASON FOR REQUEST (i.e. the above documents are company proprietary information that could never get into the possession of your competition). Please contact me if there is any information you may need. Sincerely, Name Jane Hu Position Engineer Company Name Da Chang Industries Co., Ltd Address JinBei Road, Chang Ping Town, Dong Guan City, GuangDong Province Tel / Fax 86-769-8108 2386 /86-769-8993 3228

FCC ID: 2AD3JGO-GO Model No.: SA-GG01 FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE FCC ID: 2AD3JGO-GO Model No.: SA-GG01 LEFT VIEW OF SAMPLE RIGHT VIEW OF SAMPLE FCC ID: 2AD3JGO-GO Model No.: SA-GG01 TOP VIEW OF SAMPLE BOTTOM VIEW OF SAMPLE FCC ID: 2AD3JGO-GO Model No.: SA-GG01 PHOTO OF THE ENTIRE SAMPLE

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FCC ID: 2AD3JGO-GO Model No.: SA-GG01 INTERNAL PHOTO OF SAMPLE – 1 INTERNAL PHOTO OF SAMPLE – 2 FCC ID: 2AD3JGO-GO Model No.: SA-GG01 INTERNAL PHOTO OF SAMPLE – 3 INTERNAL PHOTO OF SAMPLE – 4 FCC ID: 2AD3JGO-GO Model No.: SA-GG01 INTERNAL PHOTO OF SAMPLE – 5 INTERNAL PHOTO OF SAMPLE – 6 FCC ID: 2AD3JGO-GO Model No.: SA-GG01 INTERNAL PHOTO OF SAMPLE – 5 BATTERY PHOTO OF SAMPLE – 6

Report No.: MTE/DYY/A15030299 Page 1 of 53 TEST REPORT For Applicant: Da Chang Industries Co., Ltd Address: JinBei Road, Chang Ping Town, Dong Guan City, GuangDong Province Product Name: GO-GO SPEAKER Model Name: SA-GG01 Brand Name: STELLE AUDIO FCC ID: 2AD3J-GOGO Report No.: MTE/DYY/A15030299 Date of Issue: Mar. 11, 2015 Issued by: Most Technology Service Co., Ltd. Address : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China Tel : 86-755-8602 6850 Fax : 86-755-2698 0464 The report consists 53 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by MOST. The test results in the report only apply to the tested sample. The test report shall be invalid without all the signatures of testing engineers, reviewer and approver. Report No.: MTE/DYY/A15030299 Page 2 of 53 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY.................................................................4 2. GENERAL INFORMATION...................................................................................5 2.1 Product Information................................................................................................................5 2.2 Objective................................................................................................................................5 2.3 Test Standards and Results....................................................................................................6 2.4 Environmental Conditions.......................................................................................................6 3. TEST METHODOLOGY........................................................................................7 3. 1TEST FACILITY......................................................................................................................7 3.2 GENERAL TEST PROCEDURES..........................................................................................7 4. SETUP OF EQUIPMENT UNDER TEST..............................................................8 4.1 SETUP CONFIGURATION OF EUT.......................................................................................8 4.2 SUPPORT EQUIPMENT........................................................................................................8 4.3 TEST EQUIPMENT LIST........................................................................................................9 5. 47 CFR Part 15 C Requirements......................................................................10 5.1 RF EXPOSURE....................................................................................................................10 5.1.1 Applicable Standard...........................................................................................................10 5.1.2 Measurement Result.........................................................................................................10 5.2 ANTENNA REQUIREMENT..................................................................................................11 5.2.1 Applicable Standard...........................................................................................................11 5.2.2 Evaluation Criteria..............................................................................................................11 5.2.3 Result: Compliance............................................................................................................11 5.3 AC Power Line Conducted Emission....................................................................................12 5.3.1Requirement.......................................................................................................................12 5.3.2 Block Diagram of Test Setup.............................................................................................12 5.3.3 Test procedure...................................................................................................................12 5.3.4 Test Result.........................................................................................................................12 5.4 Radiated Emission...............................................................................................................15 5.4.1Requirement.......................................................................................................................15 5.4.2 Test Configuration..............................................................................................................15 5.4.3 Test Procedure:.................................................................................................................16 5.4.4 Test Result.........................................................................................................................17 5.5 Conducted Peak Output Power............................................................................................20 5.5.1 Requirement......................................................................................................................26 5.5.2 Block Diagram of Test Setup.............................................................................................26 5.5.3 Test Procedure..................................................................................................................26 5.5.4 Test Result.........................................................................................................................26 5.6 20dB Emission Bandwidth....................................................................................................30 5.6.1 Test Requirement..............................................................................................................30 5.6.2 Test Procedure............................…

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FCC ID: 2AD3JGO-GO Model No.: SA-GG01 CONDUCTED EMISSION TEST SETUP CE TEST SETUP FCC ID: 2AD3JGO-GO Model No.: SA-GG01 RE TEST SETUP