2AS5O-094Bluetooth Headphone

TOPBUTTOM USBUSB 15 mm20 mm 13.8 mm 12.2 mm Model: ETHTWA Input: 5V/0.4A Capacity: 300mAh 7.009 mm 5.476 mm 5 mm8 mm PANTONE COOL GRAY 11 CPANTONE COOL GRAY 11 C FCC ID: 2AS5O-094 Model: ETHTWA Input: 5V/0.4A Capacity: 300mAh FCC ID: 2AS5O-094

- Page 1 of 6 - Report No.: MTi20092903-5E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China APPENDIX 1: EUT PHOTO Photo 1 (For model ETHTWA) Photo 2 - Page 2 of 6 - Report No.: MTi20092903-5E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 3 Photo 4 - Page 3 of 6 - Report No.: MTi20092903-5E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 5 Photo 6 - Page 4 of 6 - Report No.: MTi20092903-5E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 7 Photo 8 - Page 5 of 6 - Report No.: MTi20092903-5E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 9 Photo 10 - Page 6 of 6 - Report No.: MTi20092903-5E1-1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Photo 11 ----END OF REPORT---- Ceramic Antenna

version01 China Etech Groups Ltd Declaration concerning Antenna Specification It is hereby declared that the product Model No.: ETHTWA FCC ID: 2AS5O-094 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for Ceramic Antenna antenna type(s) described below: Model No. of antenna: N/A Type of antenna: Ceramic Antenna Gain of the antenna: -0.58 dBi Frequency range: 2402-2480MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: China Etech Groups Ltd Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road, Baoan District, Shenzhen, China City: Shenzhen ZIP / Postal code: N/A Country: China Contact: Paul Huang Date:2020-11-16 Signature:

This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. RF EXPOSURE REPORT FCC ID: 2AS5O-094 Date of issue: Oct. 28, 2020 Report Number: MTi20092903-5E2 Sample Description: Bluetooth Headphone Mo d e l( s ) : ETHTWA Applicant: China Etech Groups Ltd. Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road, Baoan District, Shenzhen, China. Date of Test: Oct. 10, 2020 to Oct. 28, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 4- Report No.: MTi20092903-5E2 TEST RESULT CERTIFICATION Applicant’s name: China Etech Groups Ltd. Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road, Baoan District, Shenzhen, China. Manufacture's name: China Etech Groups Ltd. Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road, Baoan District, Shenzhen, China. Product name: Bluetooth Headphone Model and/or type reference: ETHTWA Serial Model: N/A RF Exposure Procedures: KDB 447498 D01 v06 This device described above has been tested by Shenzhen Microtest Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Tested by: Demi Mu Oct. 28, 2020 Reviewed by: Leo Su Oct. 29, 2020 Approved by: Tom Xue Oct. 29, 2020 - Page 3 of 4- Report No.: MTi20092903-5E2 1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The minimum test separation distance defined in 4.1 f) is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified, typically in the SAR measurement or SAR analysis report, by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting are required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions. a) For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR, where  f (GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation  The result is rounded to one decimal place for comparison  The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 4.1 f) is applied to determine SAR test exclusion. b) For 100 MHz to 6 GHz and test separation distances > 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following (also illustrated in Appendix B): 1) {[Power allowed at numeric threshold for 50 mm in step a)] + [(test separation distance – 50 mm)·(f(MHz)/150)]} mW, for 100 MHz to 1500 MHz 2) {[Power allowed at numeric threshold for 50 mm in step a)] + [(test separation distance – 50 mm)·10]} mW, for > 1500 MHz and ≤ 6 GHz c) For frequencies below 100 MHz, the following may be considered for SAR test exclusion (also illustrated in Appendix C): 1) For test separation distances > 50 mm and < 200 mm, the power threshold at the corresponding test separation distance at 100 MHz in step b) is multiplied by [1 + log(100/f(MHz))] 2) For test separation distances ≤ 50 mm, the power threshold determined by the equation in c) 1) for 50 mm and 100 MHz is multiplied by ½ 3) SAR measurement procedures are not established below 100 MHz. - Page 4 of 4- Report No.: MTi20092903-5E2 When SAR test exclusion cannot be applied, a KDB inquiry is required to determine SAR evaluation requirements for any SAR test results below 100 MHz to be acceptable. 2. SAR Test Exclucsion Thresholds We use 5mm as separation distance to calculated. Bluetooth DSS: Transmit Frequenc y (GHz) Mode Measured Power (dBm) Tune-up power (dBm) Max tune- up Result 1g SAR power(dBm) calculation 2.402 GFSK -0.546 0±1 1 0.3902 3 2.441 -1.178 0±1 1 0.3934 3 2.480 -1.789 0±1 1 0.3965 3 2.402 π/4-DQPSK -0.16 0±1 1 0.3902 3 2.441 -0.475 0±1 1 0.3934 3 2.480 -0.99 0±1 1 0.3965 3 2.402 8DPSK 0.289 1±1 2 0.4913 3 2.441 -0.063 1±1 2 0.4952 3 2.480 -0.627 1±1 2 0.4992 3 Conclusion: For the max resul…

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This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen Microtest Co., Ltd. Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Test Report FCC ID: 2AS5O-094 Date of issue: Oct. 29, 2020 Report number: MTi20092903-5E1 Sample description: Bluetooth Headphone Mo d e l( s ) : ETHTWA Applicant: China Etech Groups Ltd. Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road, Baoan District, Shenzhen, China. Date of test: Oct. 10, 2020 to Oct. 28, 2020 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 64 - Report No.: MTi20092903-5E1 Tel:(86-755)88850135 Fax: (86-755) 88850136 Web: http://www.mtitest.com E-mail: [email protected] Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’ an District, Shenzhen, Guangdong, China. Table of Contents 1 GENERAL INFORMATION .......................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................... 5 1.2 OPERATION CHANNEL LIST .............................................................................................................................................. 5 1.3 TEST CHANNEL LIST ....................................................................................................................................................... 7 1.4 ANCILLARY EQUIPMENT LIST ........................................................................................................................................... 7 1.5 DESCRIPTION OF SUPPORT UNITS .................................................................................................................................... 7 2 SUMMARY OF TEST RESULTS .................................................................................................................................... 8 3 TEST FACILITIES AND ACCREDITATIONS ..................................................................................................................... 9 3.1 TEST LABORATORY ........................................................................................................................................................ 9 3.2 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 9 3.3 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 9 3.4 TEST SOFTWARE ........................................................................................................................................................... 9 4 EQUIPMENT LIST .................................................................................................................................................... 10 5 TEST RESULT ........................................................................................................................................................... 11 5.1 ANTENNA REQUIREMENT ............................................................................................................................................. 11 5.1.1 Standard requirement ....................................................................................................................................... 11 5.1.2 EUT antenna ..................................................................................................................................................... 11 5.2 PEAK OUTPUT POWER ................................................................................................................................................. 12 5.2.1 Limit .................................................................................................................................................................. 12 5.2.2 Test setup .......................................................................................................................................................... 12 5.2.3 Test procedure ................................................................................................................................................... 12 5.2.4 Test results......................................................................................................................................................... 12 5.3 CONDUCTED EMISSION ................................................................................................................................................ 19 5.3.1 Limits ................................................................................................................................................................. 19 5.3.2 Test setup .......................................................................................................................................................... 19 5.3.3 Test procedure ................................................................................................................................................... 20 5.3.4 Test results......................................................................................................................................................... 20 RADIATED SPURIOUS EMISSION ................................................................................................................................................... 21 5.3.5 Limits .....................................................................................…

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Model: ETHTWA Radiated emission