2AUFR-RT933Wireless Audio Receiver

Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

Shenzhen 1Mii Technologies Limited Agent Authorization Company: Shenzhen 1Mii Technologies Limited Address: Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Product Name: Wireless Audio Receiver Trade Mark: 1Mii Model Number: DS200Pro, DS200, DS200+, DS200Plus, RT933, RT933+, RT933Pro, ZW200, ZW200Pro FCC ID: 2AUFR-RT933 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: 2021-01-29 Name: Jinling Zeng Title: Product Engineer Company: Shenzhen 1Mii Technologies Limited

Shenzhen 1Mii Technologies Limited Add: Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Tel: (86)15602316406 Fax: (86)755-27903287 Date: 2021-01-29 Dear Sir/Madam, We, Shenzhen 1Mii Technologies Limited H ereby declares the following statement , PCB board, circuit, s tructure and internal of these model(s) are the same, Only model number is different for these models: Product name: Wireless Audio Receiver Models No.: DS200Pro, DS200, DS200+, DS200Plus, RT933, RT933+, RT933Pro, ZW200, ZW200Pro Sincerely, Client’s name / title : Jinling Zeng / Product Engineer Contact information / address: Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen- Hong Kong Cooperation Zone, Shenzhen, China Tel: (86)15602316406 Fax: (86)755-27903287 E-Mail: [email protected]

Shenzhen 1Mii Technologies Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2021-01-29 Subject; Request for Confidentiality FCC ID: 2AUFR-RT933 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Jinling Zeng Title: Product Engineer

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 ________________________________________________________________________________ _________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 1 of 4 1. EXTERIOR PHOTOGRAPHS Fig.1 Fig.2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 ________________________________________________________________________________ _________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 2 of 4 Fig.3 Fig.4 BT Antenna SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 ________________________________________________________________________________ _________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 3 of 4 Fig.5 Fig.6 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 ________________________________________________________________________________ _________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 4 of 4 Fig.7 Fig.8

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 1 Label and Location Size: L4.5cm*W1.5cm Label Location Wireless Audio Receiver Model No.: DS200Pro FCC ID: 2AUFR-RT933

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 1. INTERIOR PHOTOGRAPHS Fig.1 Fig.2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Fig.3 Fig.4 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Fig.5 Fig.6

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR‐RT933 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 4 FCC RF Exposure Evaluation 1. Product Information FCC ID: 2AUFR‐RT933 Product name Wireless Audio Receiver Test Model DS200Pro Additional Model DS200, DS200+, DS200Plus, RT933, RT933+, RT933Pro, ZW200, ZW200Pro Model Declaration PCB board, structure and internal of these model(s) are the same, Sonoadditionalmodelsweretested Power supply Input: AC 100‐240V 50/60Hz Output: DC 5V, 1A DC 3.7V By Li‐ion Battery(1200mAh) Modulation Type GFSK, π/4‐DQPSK,8‐DPSK for Bluetooth V5.0 (DSS) Antenna Type External Antenna Antenna Gain 3dBi (maximum) Hardware versionDS200_V1.0 Software version adk4.1_csr8675_[1MORE‐RT933]__V0.0.1‐4‐nolilter Bluetooth Operation frequency 2402MHz‐2480MHz Bluetooth VersionV5.0 Exposure categoryGeneral population/uncontrolled environment EUT Type Production Unit Device Type mobile device 2. Evaluation Method Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. In accordance with KDB447498D01 for Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modelled or measured field strengths or power density, is ≤ 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Either the maximum peak or spatially averaged results from measurements or numerical simulations may be used to determine the MPE ratios. Spatial averaging does not apply when MPE is estimated using simple calculations based on far‐field plane‐wave equivalent conditions. The antenna installation and operating requirements for the host device must meet the minimum test separation distances required by all antennas, in both standalone and simultaneous transmission operations, to satisfy compliance. 3. Limit 3. 1 Refer Evaluation Method ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB publication 447498 D01 General 1 RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: Mobile Devices SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR‐RT933 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 4 3. 2 Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane‐wave equivalent power density 4. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97‐01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna 5. Antenna Information ES‐D4 can only use antennas certificated as follows provided by manufacturer; Antenna type and antenna number Operate frequency band Maximum antenna gain Notes External Antenna 2402MHz‐2480MHz 3dBiBT SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR‐RT933 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 4 6. Conducted Power Results [BT Classics] Mode Channel Frequency (MHz)Average Conducted Output Power (dBm) GFSK 0 2402 6.587 39 2441 4.010 78 2480 4.158 π/4DQPSK 0 2402 6.437 39 2441 4.190 78 2480 4.328 8‐DPSK 0 2402 3.273 39 2441 5.325 78 2480 5.444 7. Manufacturing Tolerance [BT Classics] GFSK (Peak) Channel Channel 0Channel 39Channel 78 Target (dBm) 6.0 4.0 4.0 Tolerance ±(dB) 1.0 1.0 1.0 π/4DQPSK (Peak) Channel Channel 0Channel 39Channel 78 Target (dBm) 6.0 4.0 4.0 Tolerance ±(dB) 1.0 1.0 1.0 8‐DPSK (Peak) Channel Channel 0Channel 39Channel 78 Target (dBm) 3.0 5.0 5.0 Tolerance ±(dB) 1.0 1.0 1.0 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR‐RT933 This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 4 of 4 8. Evaluation Results 8.1 Standalone MPE Evaluation As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the …

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 1 of 47 Appendix A RF Test Data for BT V5.0(BDR/EDR) (Conducted Measurement) Product Name: Wireless Audio Receiver Trade Mark: 1Mii Test Model: DS200Pro Environmental Conditions Temperature: 24.6  C Relative Humidity: 54.1% ATM Pressure: 100.0 kPa Test Engineer: Jay Li Supervised by: Li Huan A.1 Maxmum Conducted Peak Output Power Mode Channel. Maximum Peak Output Power [dBm]Limit [dBm] Verdict GFSK LCH 6.587 21 PASS MCH 4.010 21 PASS HCH 4.158 21 PASS π/4DQPSK LCH 6.437 21 PASS MCH 4.190 21 PASS HCH 4.328 21 PASS 8DPSK LCH 3.273 21 PASS MCH 5.325 21 PASS HCH 5.444 21 PASS SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 2 of 47 Test Graphs GFSK/LCH GFSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 3 of 47 GFSK/HCH π/4DQPSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 4 of 47 π/4DQPSK/MCH π/4DQPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 5 of 47 8DPSK/LCH 8DPSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 6 of 47 8DPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 7 of 47 A.2 20dB Bandwidth Mode Channel. 20dB Bandwidth [MHz] Limit [MHz] Verdict GFSK LCH 0.9408 Not Specified PASS MCH 0.9419 Not Specified PASS HCH 0.9418 Not Specified PASS π/4DQPSK LCH 1.242 Not Specified PASS MCH 1.247 Not Specified PASS HCH 1.248 Not Specified PASS 8DPSK LCH 1.251 Not Specified PASS MCH 1.251 Not Specified PASS HCH 1.255 Not Specified PASS Test Graphs GFSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 8 of 47 GFSK/MCH GFSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 9 of 47 π/4DQPSK/LCH π/4DQPSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 10 of 47 π/4DQPSK/HCH 8DPSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 11 of 47 8DPSK/MCH 8DPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 12 of 47 A.3 Carrier Frequency Separation Mode Channel. Carrier Frequency Separation [MHz] Limit [MHz] Verdict GFSK LCH 0.926 0.628 PASS MCH 1.060 0.628 PASS HCH 1.042 0.628 PASS π/4DQPSK LCH 1.026 0.832 PASS MCH 1.146 0.832 PASS HCH 1.080 0.832 PASS 8DPSK LCH 1.158 0.837 PASS MCH 1.048 0.837 PASS HCH 1.046 0.837 PASS Test Graphs GFSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 13 of 47 GFSK/MCH GFSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 14 of 47 π/4DQPSK/LCH π/4DQPSK/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 15 of 47 π/4DQPSK/HCH 8DPSK/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 16 of 47 8DPSK/MCH 8DPSK/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 17 of 47 A.4 Hopping Channel Number Mode Channel. Number of Hopping Channel [N]Limit [N] Verdict GFSK Hop 79 >=15 PASS π/4DQPSK Hop 79 >=15 PASS 8DPSK Hop 79 >=15 PASS Test Graphs GFSK/Hop π/4DQPSK/Hop SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 18 of 47 8DPSK/Hop SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 19 of 47 A.5 Dwell Time Mode Packet Channel Burst Width [ms/hop/ch] Total Hops[hop*ch] Dwell Time[s] Limit [s]Verdict GFSK DH5 LCH 2.9 106.7 0.309 0.4 PASS DH5 MCH 2.9 106.7 0.309 0.4 PASS DH5 HCH 2.9 106.7 0.309 0.4 PASS π/4DQPSK 2DH5 LCH 2.9 106.7 0.31 0.4 PASS 2DH5 MCH 2.9 106.7 0.31 0.4 PASS 2DH5 HCH 2.9 106.7 0.31 0.4 PASS 8DPSK 3DH5 LCH 2.9 106.7 0.31 0.4 PASS 3DH5 MCH 2.9 106.7 0.31 0.4 PASS 3DH5 HCH 2.9 106.7 0.31 0.4 PASS Test Graphs GFSK_DH5/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 20 of 47 GFSK_DH5/MCH GFSK_DH5/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 21 of 47 π/4DQPSK _2DH5/LCH π/4DQPSK _2DH5/MCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 22 of 47 π/4DQPSK _2DH5/HCH 8DPSK _3DH5/LCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 23 of 47 8DPSK _3DH5/MCH 8DPSK _3DH5/HCH SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 24 of 47 A.6 RF Conducted Spurious Emissions Mode Channel Pref [dBm] Max. Level [dBm] Limit [dBm] Verdict GFSK LCH 6.108 -33.786 -13.892 PASS MCH 3.396 -34.692 -16.604 PASS HCH 3.864 -33.103 -16.136 PASS π/4DQPSK LCH 4.008 -37.411 -15.992 PASS MCH 1.767 -37.855 -18.233 PASS HCH 1.933 -36.369 -18.067 PASS 8DPSK LCH 0.062 -37.915 -19.938 PASS MCH 1.969 -37.189 -18.031 PASS HCH 2.072 -37.935 -17.928 PASS GFSK_LCH_Graphs Pref SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 25 of 47 Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 26 of 47 GFSK_MCH_Graphs Pref Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 27 of 47 GFSK_HCH_Graphs Pref Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214174AEA Page 28 of 47 π/4DQPSK_LCH_Graphs Pref Puw SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.:…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214180AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 36 FCC TEST REPORT For Shenzhen 1Mii Technologies Limited Wireless Audio Receiver Test Model: DS200Pro Additional Model No.: Please Refer to Page 6 Prepared for : Shenzhen 1Mii Technologies Limited Address : Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : December 16, 2020 Number of tested samples : 2 Sample No. : 201214180A-1, 201214180A-2 Serial number : Prototype Date of Test : December 16, 2020 ~ January 09, 2021 Date of Report : January 13, 2021 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214180AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 36 FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCS201214180AEA Date of Issue .................................. : January 13, 2021 Testing Laboratory Name ............ : Shenzhen LCS Compliance Testing Laboratory Ltd. Address .......................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Testing Location/ Procedure........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name ......................... : Shenzhen 1Mii Technologies Limited Address .......................................... : Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Test Specification Standard ......................................... : FCC CFR 47 PART 15 C (15.247) Test Report Form No. ................... : LCSEMC-1.0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF .................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory 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. EUT Description. .......................... : Wireless Audio Receiver Trade Mark ..................................... : 1Mii Test Model...................................... : DS200Pro Ratings ........................................... : Input: AC 100-240V 50/60Hz Output: DC 5V, 1A Result ........................................... : Positive Compiled by: Supervised by: Approved by: Ray Yang/ Administrators Jin Wang/ Technique principal Gavin Liang/ Manager SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214180AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 36 FCC -- TEST REPORT Test Model............................... : DS200Pro EUT......................................... : Wireless Audio Receiver Applicant............................... : Shenzhen 1Mii Technologies Limited Address.................................. : Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Telephone............................... : Fax.......................................... : Manufacturer........................ : Shenzhen 1Mii Technologies Limited Address................................... : Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Telephone............................... : Fax.......................................... : Factory................................... : Shenzhen 1Mii Technologies Limited Address................................... : Qianhai Complex A201, Qianwan Road 1, Qianhai Shenzhen-Hong Kong Cooperation Zone, Shenzhen, China Telephone............................... : Fax.......................................... : Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCS201214180AEA January 13, 2021 Date of issue SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214180AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 4 of 36 Revision History Revision Issue Date Revisions Revised By 000 January 13, 2021 Initial Issue Gavin Liang SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 Report No.: LCS201214180AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 5 of 36 TABLE OF CONTENTS Description .................................................................................................................................. Page 1. GENERAL INFORMATION ................................................................................................................................... 6 1.1. DESCRIPTION OF DEVICE (EUT) ...........................................................…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 _______________________________________________________________________________________________ 1. TEST SETUP PHOTOGRAPHS 1.1. Photo of Radiated Emissions Measurement Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AUFR-RT933 _______________________________________________________________________________________________ 1.2. Photo of Conducted Emissions Measurement Fig. 3