2AXQK-T21True Wireless Stereo

产品概览 1.多功能触摸面板 2.磁吸充电触点 3.通气孔 4.Type-c充电接口 5.USB-A充电接口 6.电池仓电量显示 7.L/R耳机充电状态指示灯 1 2 3 规格参数 耳机 蓝牙版本：V5.0(EDR) 充电时长：1.5h 使用时间：≈4h 耳机阻抗：32Ω 功率：5mw 频响范围：20Hz-20KHz 灵敏度（SPL）:104±3dB@1KHz 电池容量：35mA 首次使用说明 首次打开包装使用时，请至少充电10分钟。 开盖：耳机自动开机 合盖：耳机关机 1.从充电盒取出两个耳机； 2.两个耳机会自然开机（蓝灯闪烁），然后自动组队， 组队好之后主耳机红蓝灯交替闪烁； 3.打开手机蓝牙搜索M-21并点击连接。 蓝牙配对 11:20AM 设置 蓝牙 蓝牙 设备 M-21 操作方法 耳机充电 开盖状态：耳机放入充电盒中，红灯闪烁，表示正在充电 L耳机充电时，对应电池图案闪烁 R耳机充电时，对应电池图案闪烁 充电盒充电 请通过 Type-c接口连接充电线给充电盒充电 请通过USB-A接口连接充电线，可作为充电宝使用给手机等电子产品充电 开盖状态下指示灯显示剩余电量为1%~100% 指示灯显示状态 包装清单 充电盒x1蓝牙耳机x1 Type-c充电线x1说明书x1 简述 感谢您使用本公司蓝牙5.0真无线耳机。 本产品具有稳定的连接、清晰的通话质量以及优秀的音乐表现。 本产品根据人体工程学设计，佩戴稳固舒适、续航持久； 充电盒支持移动电源功能3000mA，可以给其它电子产品充电。 *本公司保留不作任何通知的情况下，对本说明书做内容修改的权利， 恕不另行通知。 安全规则 1.请勿以任何理由拆除或改装耳机，否则可能导致耳机故障 及烧毁。 2.请勿将设备接触液体弄湿，否则会造成设备严重损坏， 由设备进水而造成的损坏，制造商不予保修。 3.请勿将设备长时间放置于温度过高或过低 (75度以上或零下40度以下)的环境下。 4.请避免靠近儿童或动物的眼睛使用设备指示灯。 5.请勿在雷雨天气下使用该设备，雷暴可导致设备工作不正常， 并增加触电危险。 6.废弃时不要将此电子设备作为普通垃圾处理，为减少污染 和在最大程度上保护地球的环境，请将其利用回收。 常见问题及其解决方法 故障现象故障原因解决方法 不能开机/耳机 自动关闭 电池电量不足对耳机进行充电2-5小时 配对后无声配对不正确重新配对 可以通话， 但亮红指示灯 电池电量不足 出现红灯提示 请立即对耳机进行充电 充电无指示 充电器无电压输出 检查充电器是否插好 或电源开关是否打开 耳机有回音 音量过大或 环境过于嘈杂 调节音量或换一个场所 通话有杂音 环境干扰造成或耳机 与设备距离过远 换一个场所或将耳机 与设备的距离拉近 双方声音小耳机佩戴不正确调整耳机的位置 无法收听音乐手机不支持换支持立体声的蓝牙手机 保修卡 尊敬的用户，本保修卡是申请保修服务的正要凭证， 请您配合销售商填写并妥善保管，谢谢！ 用户 信息 产品 信息 销售商 信息 备注 用户姓 名 电子邮 件 邮政编 码 邮政编 码 发票号 码 联系电 话 联系电 话 销售日 期 地址 通讯地 址 产品名 称 产品条码／ 编码／批号 产品型 号 名称 L左耳机R右耳机 播放/暂停 短按1次 短按2次(播放中) 长按2秒 长按2秒 短按1次 短按1次(通话中）短按1次(通话中） 上一曲 下一曲 接听/挂断电话 拒接电话 语音助手 长按2秒 长按2秒 短按2次(播放中) 音量+ 音量- 短按3次 短按3次 充电盒 电池容量：350mA Type-c充电时长：3H USB充电电流：5V 1A 电池容量：3000mA 67 4,5  Bluetooth 5.0 3000mA Powerbank Bluetooth earbuds Product information 1.Mutifuntional touch panel 2.Magnetic charging touch point 3.Spiracle 4.Type-c charging interface 5.USB-A charging interface 6.Charging box electric power indicate 7.L/R headset charging status indicate light Specifications Headset Bluetooth version: V5.0 (EDR) Charing time:1.5hours Using time: ≈4h Headset impedance:32Ω Capacity:5mw Frequency range:20Hz-20KHz Sensitivity (SPL):104±3dB@1KHz Battery capacity 35mA Instructions for first using When opening the package for use for the first time, please charge for at least 10 minutes. When opening the package for use for the first time, please charge for at least 10 minutes. When opening the package for use for the first time, please charge for at least 10 minutes. 1.Take out two headsets from the charging box; 2.Two headsets will turn on naturally (blue light flashes), and then automatically form a team. After the team is formed , the red and blue lights of the main headset flash alternately. 3.Turn on Bluetooth search M-21 on your phone and click Connect. Bluetooth pairing Operation method Earphone charging Cover opening status:When the headset is put into the charging box, and the red light flashes,indicating that it is charging. When L headset is charging, corresponding battery flashes. When R headset is charging, corresponding battery flashes. Charging by charging box Please connect charging cable through Type-C interface to charge chargingbox. Indicator light shows status Packing list Charging box x1 Bluetooth headset x1 Type-c cable x1Instructions x1 Brief Thank you for using our Bluetooth 5.0 true wireless headset. It has stable connection, clear call quality and excellent music performance. It is stable, comfortable and durable according to the ergonomic design ; Charging box support powerbank fanction 3000mA,can charge for other electric products. *Our company reserves the right to modify the contents of this Instructions without notice. Safety rules 1. Do not remove or refit headset for any reason, otherwise it may cause headset fault and burning. 2. Do not wet the device in contact with liquid, otherwise it will cause serious damage to the device, The manufacturer will not guarantee the damage caused by water inflow of the device 3. Do not place the device in the environment with too high or too low temperature (above 75 ° C or below - 40 ° C) for a long time. 4. Please avoid using the device indicator light near the eyes of children or animals. 5. Do not use the device in thunderstorm weather. Thunderstorm may cause abnormal operation of the device and increase the risk of electric shock. 6. Do not treat this electronic device as ordinary garbage when it is discarded.In order to reduce pollution and protect the earth's environment to the greatest extent, please recycle it. Common problems and Solutions Fault phenomenon Fault reasonSolutions Unable to turn on / off The battery is power off Charge the headset for 2-5 hours No sound a fter pairing Incorrect pairingReparing Can make phone call, but the red light is on. Low battery Red light prompt appears Please charge the headset at once Charging without indication Charger no voltage output Check whether the charger is plugged in properly or whether the power switch is on The headset has an echo Excessive volume The environment is too noisy Adjust the volume or change the place There is noise in the call Environmental interference or Headset is too far away from the device Change a place or close the distance between headset and device The volume is too low for both side Headset incorrect wearingAdjust the position of the headset Unable to listen to music Phone unsupported Change to Bluetooth phone with stereo support Guarantee Dear users, this Guarantee is the voucher for applying for warranty service. Please cooperate with the se lle r to fill in and keep it properly. Thank you! Users information production information Dealers information Remarks User name Email address Post code Post code Invo ice number Contact number Contact number Sale date Addre ss Address Pro duct name Pro duct barco de / Code / batch No. Pro duct mode l Name L left headset R right headset Play/pause Short press twice (in play) Long press for 2 seconds Long press for 2 seconds Short press twice (in play) Short press 1 time (during call) Backward Forward Answer / end a call Refuse to answer a call Voice assistant Short press 1 ti…

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Shenzhenshishuangsikejiyouxiangongsi 1/1 Letter of Authorization Company: Shenzhenshishuangsikejiyouxiangongsi Address:changchunzhonglu33hao101gongmingshequ shenzhenshiguangmingou(qu)gongmingjiedao Product Name: True Wireless Stereo Model Number: T21 FCC Identifier: 2AXQK-T21 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: Zhang Jun Date: 2020-11-05 Title: Manager Signature of applicant:

Shenzhenshishuangsikejiyouxiangongsi 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2020-11-05 Subject: Request for Confidentiality FCC ID: 2AXQK-T21 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: Zhang Jun Title: Manager

Model:T21

Size:17*10.5mm M/N: T21 FCC ID: 2AXQK-T21 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

Model:T21 Antenna location

Global United Technology Services Co., Ltd. Report No.: GTS202010000103F01 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 43 + TEST REPORT Applicant: Shenzhenshishuangsikejiyouxiangongsi Address of Applicant: changchunzhonglu33hao101gongmingshequ shenzhenshiguangmingou(qu)gongmingjiedao Manufacturer: Shenzhenshishuangsikejiyouxiangongsi Address of Manufacturer: changchunzhonglu33hao101gongmingshequ shenzhenshiguangmingou(qu)gongmingjiedao Equipment Under Test (EUT) Product Name: True Wireless Stereo Model No.: T21 Trade Mark: N/A FCC ID: 2AXQK-T21 Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.249 Date of sample receipt: Nov. 02, 2020 Date of Test: Nov. 02, 2020 - Nov. 06, 2020 Date of report issued: Nov. 06, 2020 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS202010000103F01 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 43 2 Version Version No. Date Description 00 Nov. 06, 2020 Original Prepared By: Date: Nov. 06, 2020 Project Engineer Check By: Date: Nov. 06, 2020 Reviewer Report No.: GTS202010000103F01 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 43 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.: GTS202010000103F01 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 43 4 Test Summary Test Item Section in CFR 47 Result Antenna requirement 15.203 Pass AC Power Line Conducted Emission 15.207 Pass Field strength of the fundamental signal 15.249 (a) Pass Spurious emissions 15.249 (a)…

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Measurement Photos Model:T21