2AU4P-BTS204Bluetooth Speaker with Power Bank

TennRich International Corp. Agent Authorization Company: TennRich International Corp. Address: 1-3, Alley 5, Lane 305, Sec 1, Shin Nan Road, Lu Chu District, Taoyuan, Taiwan 338 Product Name: Bluetooth Speaker with Power Bank Model Number(s): BTS-204 Product Description: Bluetooth Speaker with Power Bank We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Dec. 16, 2020 Name: Yuna Hung Title: Certification Commissioner Company: TennRich International Corp.

Annex A External Photos Report No.:HK2011273741-E Page 1 of 4 Report No.:HK2011273741-E Page 2 of 4 Report No.:HK2011273741-E Page 3 of 4 Report No.:HK2011273741-E Page 4 of 4

FCC ID LABEL: Ca. 8mm x 10mm Label Location FCC ID: 2AU4P-BTS204

Annex B Internal Photo Report No.:HK2011273741-E Page 1 of 3 Antenna Report No.HK2011273741-E Page 2 of 3 Report No.HK2011273741-E Page 3 of 3

FCC RF Exposure EUT Description: Bluetooth Speaker with Power Bank Model No.: BTS‐204 1. Limits According to KDB 447498 D01 General RF Exposure Guidance v06 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(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: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation 2.4G Output power （dBm ） Tune Up Power （dBm） Max Tune Up power dBm/mW Min test separatio n distance mm Result Limit SAR Test Exclusion EDR ‐1.833 ‐2±1 ‐1/ 0.79 5 0.24882 3.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2011273741‐E, antenna gain=‐0.58dBi Per KDB 447498 D01, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.24882 which is<= 3, RF Exposure testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm

Page 1 of 45 Report No.: HK2011273741-E TEST REPORT FCC PART 15 SUBPART C 15.247 Test report On Behalf of TennRich International Corp. For Bluetooth Speaker with Power Bank Model No.: BTS-204 FCC ID: 2AU4P-BTS204 Prepared for : TennRich International Corp. 1-3, Alley 5, Lane 305, Sec 1, Shin Nan Road, Lu Chu District, Taoyuan, Taiwan 338 Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Dec. 01, 2020 ~ Dec. 08, 2020 Date of Report: Dec. 08, 2020 Report Number: HK2011273741-E Page 2 of 45 Report No.: HK2011273741-E TEST RESULT CERTIFICATION Applicant’s name ................. : TennRich International Corp. Address ................................. : 1-3, Alley 5, Lane 305, Sec 1, Shin Nan Road, Lu Chu District, Taoyuan, Taiwan 338 Manufacture's Name ............ : Shenzhen Rongke Shengshi Electronic Co.,Ltd Address ................................. : 5F, Building 1, Starlight Industrial Zone, No.17, Gonghe industrial Road Xixiang,Baoan, Shenzhen Product description Trade Mark: Energizer Product name ........................... : Bluetooth Speaker with Power Bank Model and/or type reference : BTS-204 Standards ............................. : 47 CFR FCC Part 15 Subpart C 15.247 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Dec. 01, 2020 ~ Dec. 08, 2020 Date of Issue ........................................... : Dec. 08, 2020 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 45 Report No.: HK2011273741-E Table of Contents Page 1. SUMMARY............................................................................................................................................................ 5 1.1. TEST STANDARDS ..................................................................................................................................................... 5 1.2. TEST DESCRIPTION ........................................................................................................................................................ 5 1.3. TEST FACILITY .............................................................................................................................................................. 6 1.4. STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. GENERAL INFORMATION ....................................................................................................................................... 7 2.1. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 7 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 7 2.3. DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 8 2.4. EQUIPMENTS USED DURING THE TEST .............................................................................................................................. 9 2.5. RELATED SUBMITTAL(S) / GRANT (S) .............................................................................................................................. 10 2.6. MODIFICATIONS ......................................................................................................................................................... 10 2.7. DESCRIPTION OF TEST SETUP ................................................................................................................................ 10 3. TEST CONDITIONS AND RESULTS ......................................................................................................................... 11 3.1. CONDUCTED EMISSIONS TEST ....................................................................................................................................... 11 3.2. RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 14 3.3. MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................................... 25 3.4. 20DB BANDWIDTH ..................................................................................................................................................... 26 3.5. FREQUENCY SEPARATION ............................................................................................................................................. 29 3.6. NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 31 3.7. TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 33 3.8. OUT‐OF‐BAND EMISSIONS ............................................................................................................................................ 36 3.9. PSEUDORANDOM FREQUENCY HOPPING SEQUENCE ..........................................................................................…

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Test Model：BTS-204 Radiated Emission Conducted Emission