2AYSY-Q7SBluetooth headphone

1Volume + (next song), press once to next song,long press and not release to increase volume, and when volume comes to maximum, there will be deep tone; 2. Dial/Answer/Hang up button; Pause/Play button Power button; . 3. - Volume - (previous song), press once to previous song, llong press and not release to reduce volume, and when volume comes to minimum, there will be deep tone. 4. Indicator light . 5. Line in jack. 6. USB charging interface. 7. MIC. 8. Line cable triple plug, insert in headset Line interface; 9. Line quadri plug, applies to the 3.5 quadrupole single jack audio device such as mobile phone, tablet PC, notebook computer, etc. 1.Connected: continuously press button (about 3s), when heard sounding of “Power ON” and indicator lights' lighting red and blue color separately, turn on the bluetooth function of your mobile or other's equipment, and start to search or scan, when searched "Q7" and connected, the indicator lights will shine every five seconds,connected successfully. 2.Connected: when indicator lights’ lighting red and blue color separately, turn on the bluetooth function of your mobile or other’s equipment, and start to search or scan, when searched "Q7" and connected, the indicator lights will shine every five seconds, connected successfully. 3. Playing mode:indicator lights will shine one time every five seconds. 4.Unconnected mode: indicator lights will shine two times every five seconds, and after 10 minutes, earphone will turn off automatically. (The LED lights need to be closed by manual) 5.Turn off : continuously press button ( about 3s), when heard sounding of “Power Off”, indicator lights will be off . (The LED lights need to be closed by manual) English Product type Speaker diameter: Speaker impedance Battery capacity Battery type Charging time Dynamic Earphone 50mm 32Ω±15% 500mah Polymer Lithium Battery 2.5 Hours ≥30 hours 10 m 3.7V DC4.75V-5.5V Headset/ Usb Charging Cable/line In Connection Cable Headset Accessories Duration time Transmission distance Working voltage Charging voltage Product parameters Connect to Bluetooth earphone 1 2 3 4 5 6 7 43 1. When Line In inserting is detected, switch to Line In mode, disconnect Bluetooth and all indicator lights are off. When pull out Line In, reboot and connect to Bluetooth automatically; 2. Low voltage alarming, when the voltage is under 3.3V, it makes “beep” alarming. Insert the DC power source and it works normally; 3. Undervoltage automatic power off, when the voltage is under 3.3V, Bluetooth automatically turns off the device. And after re-charging, press the power button to reboot. 4. Intelligent charging management, insert the DC power source, red light of two-color LED indictor light is on. When charging is completed, red light is off. 5. When has incoming call, music will be cut off automatically , and press button , answer the phone. When hang off, press button , and will connect with music automatically.When the guy who call and hang off first, without any operate, music will connect automatically. 6. When playing music, continuously short press the phone button twice to redial the last incoming call or outgoing call. 1.The mobile phone can’t search the Bluetooth headset? A) Confirm if Bluetooth headset is power on or off (if power on, blue and red indicator light flash alternately) B) If it is power on and still can’t search, please reboot Bluetooth and mobile phone. 2.After connecting the Bluetooth headset and mobile phone, disconnection or noise occurs? A) Bluetooth power is low, you need to charge the Bluetooth headset as soon as possible; B) There is obstruction between the phone and the Bluetooth or the distance exceeds the signal reception distance, please do not put your hand on the Bluetooth. And in order to maintain the continuous stability of the signal, please try to keep the Bluetooth and mobile phone in the same direction. 3. Whether other Bluetooth phone users may hear my conversation? When pairing the headset with a Bluetooth mobile phone, the dedicated linking route will be created for these two Bluetooth devices only. According to the Bluetooth technology used for headset, it is not easy for the third parties to monitor the conversations, and the RF power of Bluetooth wireless signal is far less than that of normal mobile phone, so these signals are difficult to be detected by third parties. 4. What happens when the distance between mobile phone and Bluetooth headset exceeds the effective distance? When the distance between mobile phone and Bluetooth headset exceeds the effective distance, the connection between mobile phone and Bluetooth headset will be broken automatically. When it comes back in the effective distance, mobile phone and Bluetooth headset will be connected automatically without any setting. But some phones do not support this function, and the Bluetooth device should be searched in the design list and then connect. 5. How to charge the Bluetooth headset? A) Insert the charger plug in the headset, and put the release label side of the charger down, and put the headset right side up; B) Insert the other end of the charger into a power outlet, when charging, the headset indicator is on until the end of charging. The first charging takes about 8 hours, and about 2.5 hours afterwards; C) When charging is completed (indicator is off), remove the charger from the power outlet, and press the release button on the charger plug, and remove the charger from the headset. (Note: When you are driving a vehicle, charge the Bluetooth headset with the original vehicle power charger.) 1. In order to avoid damage to your hearing, please limit the time using the headset at high volume, and set the volume at a safe level. The higher the volume is, the shorter of safe listening time; 2. If you are in potentially hazardous sites, please stop using the headset to prevent damage or malfunction; 3. Please do not expose the headset in high temperature places, such as in the vicinity of heati…

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Zhongtiandingsheng Shenzhen Industrial Co., Ltd Model Difference Product Name: Bluetooth headphone Model Number: Q7s, Q7, Q7X, Q7 Max, Q7 Pro FCC Identifier: 2AYSY-Q7S All the models are the same circuit and RF module, except the model names and outlook color. Regards Sincerely Client’s signature Client’s name / title : Yao Yichun / Manager Contact information / address: Room 1920, South China Development Center, No.1 Huanan Avenue,Pinghu Street,Longgang District, Shenzhen Guangdong Province, China

Zhongtiandingsheng Shenzhen Industrial Co., Ltd 1/1 Letter of Authorization Company: Zhongtiandingsheng Shenzhen Industrial Co., Ltd Address: Room 1920, South China Development Center, No.1 Huanan Avenue,Pinghu Street,Longgang District, Shenzhen Guangdong Province, China Product Name: Bluetooth headphone Model Number: Q7s, Q7, Q7X, Q7 Max, Q7 Pro FCC Identifier: 2AYSY-Q7S We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Yao Yichun Date: 2021-03-03 Title: Manager Signature of applicant:

Zhongtiandingsheng Shenzhen Industrial Co., Ltd 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021-03-03 Subject: Request for Confidentiality FCC ID: 2AYSY-Q7S To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Yao Yichun Title: Manager

FCC ID: 2AYSY-Q7S

Size:15*10mm M/N: Q7s FCC ID: 2AYSY-Q7S This device complies with part 15 of the FCC Rules. 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. Label location

FCC ID: 2AYSY-Q7S Antenna location BK3266

Global United Technology Services Co., Ltd. Report No.: GTSL202102000092F01 Authorized Signature: Robinson Lo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 37 + TEST REPORT Applicant: Zhongtiandingsheng Shenzhen Industrial Co., Ltd Address of Applicant: Room 1920, South China Development Center, No.1 Huanan Avenue,Pinghu Street,Longgang District, Shenzhen Guangdong Province, China Manufacturer: GuangDong Kotion Electroacoustic Technology Co.，Ltd Address of Manufacturer: Room 101, Building 1, NO18, 2nd Road Sanjiang Industrial Areas, HengLi Town, DongGuan City, GuangDong Province, China Equipment Under Test (EUT) Product Name: Bluetooth headphone Model No.: Q7s, Q7, Q7X, Q7 Max, Q7 Pro Trade Mark: N/A FCC ID: 2AYSY-Q7S Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.249 Date of sample receipt: Feb. 25, 2021 Date of Test: Feb. 25, 2021 - Mar. 03, 2021 Date of report issued: Mar. 03, 2021 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTSL202102000092F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 37 2 Version Version No. Date Description 00 Mar. 03, 2021 Original Prepared By: Date: Mar. 03, 2021 Project Engineer Check By: Date: Mar. 03, 2021 Reviewer Report No.: GTSL202102000092F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 37 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 VERSION .................................................................................................................................................. 2 3 CONTENTS .............................................................................................................................................. 3 4 TEST SUMMARY ..................................................................................................................................... 4 4.1 MEASUREMENT UNCERTAINTY ............................................................................................................ 4 5 GENERAL INFORMATION ...................................................................................................................... 5 5.1 GENERAL DESCRIPTION OF EUT ......................................................................................................... 5 5.2 TEST MODE ........................................................................................................................................ 7 5.3 DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7 5.4 DEVIATION FROM STANDARDS ............................................................................................................ 7 5.5 ABNORMALITIES FROM STANDARD CONDITIONS .................................................................................. 7 5.6 TEST FACILITY ................................................................................................................................... 8 5.7 TEST LOCATION ................................................................................................................................. 8 5.8 ADDITIONAL INSTRUCTIONS ................................................................................................................ 8 6 TEST INSTRUMENTS LIST ..................................................................................................................... 9 7 TEST RESULTS AND MEASUREMENT DATA .................................................................................... 11 7.1 ANTENNA REQUIREMENT ................................................................................................................... 11 7.2 CONDUCTED EMISSIONS ................................................................................................................... 12 7.3 RADIATED EMISSION METHOD ........................................................................................................... 15 7.3.1 Field Strength of The Fundamental Signal ................................................................................ 17 7.3.2 Spurious emissions .................................................................................................................... 19 7.3.3 Bandedge emissions .................................................................................................................. 30 7.4 20DB OCCUPY BANDWIDTH .............................................................................................................. 31 8 TEST SETUP PHOTO ............................................................................................................................ 34 9 EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 36 Report No.: GTSL202102000092F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 37 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement…

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Measurement Photos FCC ID: 2AYSY-Q7S