2AB5T-SE8Active noise canceling bluetooth headset

Owner’s Guide Bedienungsanleitung Guía del usuario Notice d’utilisation Manuale di istruzioni COWIN SE8 Active noise canceling bluetooth headset IMPORTANT SAFETY INSTRUCTIONS Please read and keep all safety and use instructions. WARNINGS/CAUTIONS • Do NOT use the headphones at a high volume for any extended period. – To avoid hearing damage, use your headphones at a comfortable, moderate volume level. – Turn the volume down on your device before placing the headphones in/on your ears, then turn the volume up gradually until you reach a comfortable listening level. • Do NOT use your headphones while driving for phone calls or any other purpose. • Do NOT use the headphones with noise cancelling on at any time the inability to hear surrounding sounds may present a danger to yourself or others, e.g., while riding a bicycle or walking in or near traffic, a construction site or railroad, etc. – Remove the headphones, or use the headphones with noise cancelling off and adjust your volume, to ensure you can hear surrounding sounds, including alarms and warning signals. – Be aware of how sounds that you rely on as reminders or warnings may vary in character when using the headphones. • Do NOT use the headphones if they emit any loud unusual noise. If this happens, turn the headphones off and contact COWIN customer service. • Remove headphones immediately if you experience a warming sensation or loss of audio. • Do NOT use mobile phone adapters to connect headphones to airplane seat jacks, as this could result in injury or property damage due to overheating. • Do NOT use the headphones as aviation communication headsets except in case of emergency. – No incoming audio will be heard with a discharged or improperly installed battery. This could result in the potential of missed communications while piloting an aircraft. – Extremely loud ambient noise levels common to many propeller-driven aircraft may impair your ability to receive incoming audio communications, particularly during takeoff and climb out. – The headphones are not engineered for noise conditions, altitude, temperature or other environmental conditions common in non-commercial aircraft, resulting in possible interference to critical communications. • To reduce the risk of fire or electrical shock, do NOT expose this product to rain, liquids or moisture. • Do NOT make unauthorized alterations to this product. • Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, CCC). • Do NOT expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like). Contains small parts which may be a choking hazard. Not suitable for children under age 3. This product contains magnetic material. Consult your physician on whether this might affect your implantable medical device. ENGLISH 2 NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. COWIN Corporation hereby declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements. For Europe: Frequency band of operation 2400 to 2483.5 MHz: Bluetooth: Maximum transmit power less than 20 dBm EIRP. Bluetooth Low Energy: Maximum power spectral density less than 10 dBm/MHz EIRP. Changes or modifications not expressly approved by COWIN Corporation could void the user’s authority to operate this equipment. This device complies with part 15 of the FCC Rules and with Industry Canada license-exempt RSS standard(s). 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 This device complies with FCC and Industry Canada radiation exposure limits set forth for general population. It must not be co-located or operating in conjunction with any other antenna or transmitter. Meets IMDA Requirements. CAN ICES-3 (B)/NMB-3(B) Management Regulation for Low-power Radio-frequency Devices Article XII According to “Management Regulation for Low-power Radio-frequency Devices” without permission granted by the NCC, any company, enterprise, or user is not allowed to change frequency, enhance transmitting power or alter original characteristic as well as performance to an approved low power radio-frequency devices. Article XIV The low power radio-frequency devices shall not influence aircraft security and interfere legal communications; if found, the user shall cease operating immediately until no interference is achieved. The said legal communications means radio communications operated in compliance with the Telecommunications Act. The low power radio-frequency devices must be susceptible with the interference from legal communications or ISM radio wave radiated devices. DON’T attempt to remove the rechargeable lithium-ion battery from thi…

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Shenzhen MeiDong Acoustics Co., LTD Agent Authorization Company: Shenzhen MeiDong Acoustics Co., LTD Address: Cell B, 3th Floor, Tower B, Hongzhuyongqi Technology Park, Lezhujiao, Xixiang, Baoan, Shenzhen, Guangdong, China Product Name: Active noise canceling bluetooth headset Model Number(s): SE8, SE8A, SE8B, SE8C, SE8D, SE8E, SE8N, SE8MAX Product Description: Active noise canceling bluetooth headset 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: 2020/05/20 Name: Huang ping hua Title: Manager Company: Shenzhen MeiDong Acoustics Co., LTD

Shenzhen MeiDong Acoustics Co., LTD Authorization Letter We, (the approval holder) Company name Shenzhen MeiDong Acoustics Co., LTD Addresss Cell B, 3th Floor, Tower B, Hongzhuyongqi Technology Park, Lezhujiao, Xixiang, Baoan, Shenzhen, Guangdong, China declare that the following representative (agent): Name (person) Bovey Yang Company name Shenzhen STS Test Services Co., Ltd. Addresss 1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road, Fuyong Street, Bao’an District, Shenzhen, Guangdong,China City Shenzhen Country China to act on our behalf on all matters concerning the application and documents submitted to Micom Labs for product certification below Product Description Active noise canceling bluetooth headset Type or Model(s) SE8, SE8A, SE8B, SE8C, SE8D, SE8E, SE8N, SE8MAX Tradename or Brand(s) Cowin, Meidong, Mighty Rock Attestation: City: Date: Name: (this must be a person) Function: Signature: (or official company stamp) China 2020/05/20 Huang ping hua Manager

Differences Description We Shenzhen MeiDong Acoustics Co., LTD state: Product： Active noise canceling bluetooth headset Model Name： SE8, SE8A, SE8B, SE8C, SE8D, SE8E, SE8N, SE8MAX Brand Name： Cowin, Meidong, Mighty Rock FCC ID： 2AB5T-SE8 The electrical circuit design, layout, components used and internal wiring for above models are identical, Only different in model name. brand name and appearance. Sincerely, Company: Shenzhen MeiDong Acoustics Co., LTD Title: Manager E-mail: [email protected] Name: Huang ping hua Signature

Shenzhen MeiDong Acoustics Co., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020/05/20 Subject; Request for Confidentiality FCC ID: 2AB5T-SE8 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 Parts List Operational Description Tune-up Procedure 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: Huang ping hua Title: Manager

Page 1 of 4 Report No.: STS2004288 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: SE8 Photo 1 Photo 2 Page 2 of 4 Report No.: STS2004288 Photo 3 Photo 4 Page 3 of 4 Report No.: STS2004288 Photo 5 Photo 6 Page 4 of 4 Report No.: STS2004288 Photo 7

Label Size:30*10mm The label is engraved on the shell Active noise canceling bluetooth headset Model name: SE8 FCC ID: 2AB5T-SE8

Page 1 of 5 Report No.: STS2004288 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: SE8 Photo 1 Photo 2 Page 2 of 5 Report No.: STS2004288 Photo 3 Photo 4 BT Antenna Page 3 of 5 Report No.: STS2004288 Photo 5 Photo 6 Page 4 of 5 Report No.: STS2004288 Photo 7 Photo 8 Page 5 of 5 Report No.: STS2004288 Photo 9

FCC ID : 2AB5T-SE8 RF EXPOSURE EVALUATION METHOD SAR Test Exclusion Thresholds for 100 MHz – 6 GHz and ≤ 50 mm Approximate SAR Test Exclusion Power Thresholds at Selected Frequencies and Test Separation Distances are illustrated in the following Table. 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 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 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 is applied to determine SAR test exclusion. FCC ID : 2AB5T-SE8 Maximum measured transmitter power. BT5.0+EDR The Worst Case Mode 2402-2480MHz Detector PEAK GFSK 3±1dBm π/4-DQPSK 6±1dBm 8DPSK 7±1dBm Remark: The worst case gain of the antenna is 0Bi. 0Bi logarithmic terms convert to numeric result is nearly 1 Mode Frequen cy (GHz) Maxinum Peak Conducted Output Power (dBm) Tune up Power (dBm) Tune up Power (mW) Result Limit GFSK 2.402 3.21 4 2.512 0.391 3 π/4-DQPSK 2.402 6.76 7 5.012 1.554 3 8DPSK 2.402 7.47 8 6.310 1.956 3 Threshold at which no SAR required is 1.956 ≤ 3.0for 1-g SAR, Separation distance is 5mm.

Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. Shenzhen STS Test Services Co., Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] RADIO TEST REPORT Report No.: STS2004288W02 Issued for Shenzhen MeiDong Acoustics Co., LTD Cell B, 3th Floor, Tower B, Hongzhuyongqi Technology Park, Lezhujiao, Xixiang, Baoan, Shenzhen, China Product Name: Active noise canceling bluetooth headset Brand Name: Cowin, Meidong, Mighty Rock Model Name: SE8 Series Model: SE8A, SE8B, SE8C, SE8D, SE8E, SE8N, SE8MAX FCC ID: 2AB5T-SE8 Test Standard: FCC Part 15.247 S T L A B S Page 2 of 73 Report No.: STS2004288W02 TEST RESULT CERTIFICATION Applicant’s Name ................... : Shenzhen MeiDong Acoustics Co., LTD Address .................................. : Cell B, 3th Floor, Tower B, Hongzhuyongqi Technology Park, Lezhujiao, Xixiang, Baoan, Shenzhen, China Manufacture's Name .............. : Shenzhen MeiDong Acoustics Co., LTD Address .................................. : Cell B, 3th Floor, Tower B, Hongzhuyongqi Technology Park, Lezhujiao, Xixiang, Baoan, Shenzhen, China Product Description Product Name ........................ : Active noise canceling bluetooth headset Brand Name ......................... : Cowin, Meidong, Mighty Rock Model Name ........................... : SE8 Series Model .......................... : SE8A, SE8B, SE8C, SE8D, SE8E, SE8N, SE8MAX Test Standards ....................... : FCC Part15.247 Test Procedure ....................... : ANSI C63.10-2013 This device described above has been tested by STS, 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. This report shall not be reproduced except in full, without the written approval of STS, this document may be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ............................... : Date of receipt of test item ......... : 08 May 2020 Date (s) of performance of tests : 08 May 2020 ~ 13 May 2020 Date of Issue ............................. : 14 May 2020 Test Result ................................. : Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Vita Li) Page 3 of 73 Report No.: STS2004288W02 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 10 2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 12 2.6 EQUIPMENTS LIST 13 3. EMC EMISSION TEST 14 3.1 CONDUCTED EMISSION MEASUREMENT 14 3.2 RADIATED EMISSION MEASUREMENT 18 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 30 4.1 LIMIT 30 4.2 TEST PROCEDURE 30 4.3 TEST SETUP 30 4.4 EUT OPERATION CONDITIONS 30 4.5 TEST RESULTS 31 5. NUMBER OF HOPPING CHANNEL 46 5.1 LIMIT 46 5.2 TEST PROCEDURE 46 5.3 TEST SETUP 46 5.4 EUT OPERATION CONDITIONS 46 5.5 TEST RESULTS 47 6. AVERAGE TIME OF OCCUPANCY 48 6.1 LIMIT 48 6.2 TEST PROCEDURE 48 6.3 TEST SETUP 48 6.4 EUT OPERATION CONDITIONS 48 6.5 TEST RESULTS 49 7. HOPPING CHANNEL SEPARATION MEASUREMEN 55 7.1 LIMIT 55 Page 4 of 73 Report No.: STS2004288W02 Table of Contents Page 7.2 TEST PROCEDURE 55 7.3 TEST SETUP 55 7.4 EUT OPERATION CONDITIONS 55 7.5 TEST RESULTS 56 8. BANDWIDTH TEST 62 8.1 LIMIT 62 8.2 TEST PROCEDURE 62 8.3 TEST SETUP 62 8.4 EUT OPERATION CONDITIONS 62 8.5 TEST RESULTS 63 9. OUTPUT POWER TEST 69 9.1 LIMIT 69 9.2 TEST PROCEDURE 69 9.3 TEST SETUP 70 9.4 EUT OPERATION CONDITIONS 70 9.5 TEST RESULTS 71 10. ANTENNA REQUIREMENT 72 10.1 STANDARD REQUIREMENT 72 10.2 EUT ANTENNA 72 Page 5 of 73 Report No.: STS2004288W02 Revision History Rev. Issue Date Report NO. Effect Page Contents 00 14 May 2020 STS2004288W02 ALL Initial Issue Page 6 of 73 Report No.: STS2004288W02 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247(a)(1) Hopping Channel Separation PASS -- 15.247(a)(1)&(b)(1) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247(d) Conducted Spurious & Band Edge Emission PASS -- 15.247(a)(iii) Number of Hopping Frequency PASS -- 15.247(a)(iii) Dwell Time PASS -- 15.247(a)(1) Bandwidth PASS -- 15.205 Restricted bands of operation PASS -- Part 15.247(d)/part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Page 7 of 73 Report No.: STS2004288W02 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.68dB 2 Unwanted Emissions, conducted ±2.988dB 3 All emissions, radiated 30-1GHz ±6.7dB 4 All emissions, radiated 1G-6GHz ±5.5dB 5 All emissions, radiated>6G ±5.8dB 6 Conducted Emission (9KHz-150KHz) ±4.43dB 7 Conducted Emission (150KHz-30MHz) ±5dB Page 8 of 73 Report No.: …

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Page 1 of 2 Report No.: STS2004288 DSS Setup photo Model name: SE8 DSS conduction DSS radiation L Page 2 of 2 Report No.: STS2004288 DSS radiation H