2AMIN-TW100ZMZMI PurPods Pro Wireless Noise Cancelling Earphone, ZMI PurPods True Wireless Earbuds

スリープ イヤホンを充電ボックスに戻し、ふたを閉めるとイヤホンは自動的に接続 を切り、スリープ状態に入ります。 装着 イヤホンを充電ボックスから取り出し、左右のマークに従って耳につけま す。 ティップス：イヤホンの耐用年数を伸ばし、紛失を避けるため、使わないと きはすぐにイヤホンに充電ボックスに入れてください。 이어폰이 휴대폰에 연결되면 휴대폰 상태 표시 줄에서 이어폰 배터리 잔량을 확인할 수 있습니다. 참고: 휴대폰 상태 표시 줄에는 배터리 잔량이 낮은 두 이어폰의 배터리 잔량 만 표시되며 일부 휴대폰에서는 지원되지 않습니다. 배터리 잔량 표시 1. 이어폰이 충전 케이스에있을 때 표시등은 이어폰의 배터리 잔량을 나타냅니다. 두 이어폰을 모두 꺼냈을 때 표시등은 충전 케이스의 배터리 잔량을 나타냅니다. 2. 표시등의 색상은 배터리 잔량을 나타내며, 녹색은 배터리 잔량 수준이 높음을 의미하며 주황색은 배터리 잔량 수준이 낮음을 의미합니다. 3. 표시등이 주황색으로 4 번 깜박이는 경우, 충전 케이스의 배터리가 부족하여 이어폰에 충전하거나 전원을 켤 수 없음을 의미합니다. 이러한 경우, 적시에 충전 케이스를 충전하십시오. Xiaomi 휴대폰을 사용하여 배터리 잔량을 빠르게 확인하는 방법 휴대폰에 성공적으로 연결한 후 이어폰을 충전 케이스에 넣고 덮개를 닫고 블루투스가 활성화되어 있고 잠금 해제 된 Xiaomi휴대폰에 접근하고 충전 케이스 덮개를 열면 휴대폰에 대화 상자가 팝업되며 이어폰 및 충전 케이스 배터리 잔량을 확인할 수 있습니다. For more details, please consult the customer service number at +86 400-993-8696 or visit the ZMI customer service website at www.zmifi.com/service Manufactured by: Zimi Corporation Address: A913, No. 159 Chengjiang Road, Jiangyin, Jiangsu, China ZMI PurPods Pro Wireless Noise Cancelling Earphone User Manual 연결 새 장치 연결 1. 이어폰을 충전 케이스에 넣고 충전 케이스 덮개가 열린 상태에서 기능 버튼을 3 초동안 길게 누르면 충전 케이스의 흰색 표시등이 깜박이고 이어폰이 연결 대기 상태로 전환됩니다. 2. 장치의 블루투스를 켜고 "ZMI PurPods"를 검색하여 연결합니다. 연결을 위한 비밀번호가 필요한 경우 "0000"을 입력합니다. Xiaomi 휴대폰을 사용하여 빠르게 연결하는 방법 이어폰을 충전 케이스에 넣고 덮개를 닫고 블루투스가 활성화되어 있고 잠금 해제 된 Xiaomi휴대폰에 접근 한 다음 충전 케이스 덮개를 열고 휴대폰 화면의 지침에 따라 이어폰을 연결합니다. 참고: 빠른 연결 기능을 사용하려면 휴대폰 시스템을 최신 버전으로 업데이트해야 합니다. 현재 일부 Xiaomi 휴대폰 만 지원됩니다. 연결 차단 장치의 블루투스가 꺼져있거나 이어폰의 연결 범위를 초과하면 이어폰이 자동으로 연결 대기 상태로 들어갑니다. 10 분내에 어떤 장치에도 참고: 배터리 잔량 빠른 확인 기능을 사용하려면 휴대폰 시스템을 최신 버전으로 업데이트해야 합니다. 현재 일부 Xiaomi 휴대폰 만 지원됩니다. 부팅 충전 케이스를 열면 이어폰이 자동으로 켜집니다. 절전 이어폰을 충전 케이스에 다시 넣고 덮개를 닫으면 이어폰 연결이 자동으로 차단되고 절전 상태로 들어갑니다. 착용 충전 케이스에서 이어폰을 꺼내 이어폰의 왼쪽 및 오른쪽 마크에 따라 착용하십시오. 안내사항: 사용 후 사용 수명을 연장하고 분실을 방지하기 위하여 이어폰을 적시에 충전 케이스에 다시 넣으십시오. 사용 충전 이어폰 충전 이어폰을 충전 케이스에 넣으면 자동으로 충전 상태로 들어갑니다. 충전 케이스 충전 인증 된 충전기로 충전 케이스를 충전하십시오. 또는 Qi 프로토콜을 지원하는 무선 충전기에 충전 케이스 표시등을 위로 하여 놓으십시오. 충전 중에는 주황색 표시등이 점등되고 약 1분후 점멸되며 충전이 완료되면 녹색 표시등이 켜지며 약 1 분 후에 꺼집니다. 배터리 잔량 확인 이어폰 배터리 잔량 확인 Note: 1. The buttons require a certain amount of physical pressure to trigger. 2.The device connected with earbuds needs to support the voice assistant function and has corresponding permissions enabled. 3. The functional definition of tapping an earbud twice can be modified in ZMI Hear application. 4.When the double-tap function is in game mode, please disable the game mode timely after you quite the game. Open the ZMI Hear app and add ZMI PurPods Pro to your application.Follow the on-screen instructions to connect the Bluetooth earbuds to your phone. * Currently only supports Android application, while the iOS application is being adapted. * When ZMI PurPods Pro is added, you can check the battery levels of the earbuds and charging case, configure noise cancelling mode, custom keys and EQsmart adaptive mode on the ZMI Hear app. Connect to ZMI Hear Download the ZMI Hear app from your phone or tablet’s app store. If battery expands excessively, discontinue usage. Do not expose yourself to a high sound volume for a long time, to prevent potential hearing damage. Use this device in accordance with relevant regulations in your country/region and do not wear it while driving. Keep this device and its accessories away from children, as they may contain small parts. Warning Do not dissemble, repair or refit the earbuds for any reason, which may otherwise cause fire or irrevocable damages to the product. Do not place the product in environments with excessively low or high ambient temperatures (lower than 0°C or higher than 45°C). Place the product indicator light away from children or animals' eyes when using it. Do not use this product during thunderstorms. Thunderstorms may cause device malfunctions and increase the risk of electric shock. Do not wipe this product with alcohol or other volatile liquids. Avoid exposing this product to any liquid. Do not disassemble, subject this product to high impacts or pressure, or put it into fire. V1.0新建王冉 2020/12/21 TW100 国际版 说明书字稿 印刷颜色：PANTONE COOL GRAY 11C 材质：80克金东太空梭无光铜，上水性哑油 字体：方正悠黑 Hereby, Zimi Corporation declares that this equipment is in compliance with the Directive 2014/53/EU. CE WEEE Information All products bearing this symbol are waste electrical and electronic equipment (WEEE as in directive 2012/19/EU) which should not be mixed with unsorted household waste. Instead, you should protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment, appointed by the government or local authorities. Correct disposal and recycling will help prevent potential negative consequences to the environment and human health. Please contact the installer or local authorities for more information about the location as well as terms and conditions of such collection points. Specifications 연결되어 있지 않으면 이어폰이 절전 상태로 들어갑니다. 이어폰을 충전 케이스에 넣고 다시 꺼내 연결 대기 상태로 들어갑니다. 자동으로 다시 연결 이어폰이 충전 케이스에 있는 경우 충전 케이스를 열면 이어폰이 최근에 연결된 블루투스 장치에 자동으로 다시 연결됩니다. 연결 기록이 감지되지 않거나 블루투스 장치가 성공적으로 다시 연결되지 않으면 이어폰이 자동으로 연결 대기 상태로 들어갑니다. 안내사항: 이어폰이 장치에 자동으로 다시 연결되지 않으면 장치의 블루투스 인터페이스에서 수동으로 연결해야 합니다. 연결 기록 지우기 1. 이어폰을 충전 케이스에 넣습니다. 충전 케이스 덮개가 열린 상태에서 기능 버튼를 10 초 이상 길게 누르고 있으면 배터리 표시등이 3 번 깜박이면 버튼을 놓습니다. 2. 이어폰이 재설정되고 이전 연결 기록이 지워지고 충전 케이스의 흰색 표시등이 깜박이며 페어링 모드로 들어갑니다. 알림: 블루투스 신호의 연결 특성으로 인해 2.4GHz 전자기 신호 간섭이 심한 장소에서는 간헐적으로 연결이 끊기거나 무음이 발생할 수 있습니다. 기능 소개 接続 新しいデバイスに接続 1.イヤホンを充電ボックスに入れ、充電ボックスのふたが開いた状態で 機能ボタンを3秒長押しします。充電ボックスの白いインジケータ LED が点 滅すると、接 続待機になります。 2.デバイスのブルートゥース機能をオンにし、「ZMI PurPods」を検索し て接続してください。パスワードが必要な場合は「0000」と入力してく ださい。 Xiaomi スマホでクイック接続するには イヤホンを充電ボックスに設置し、ふたを閉め、ロックを解除し、ブルー トゥース機能をオンにした Xiaomi スマホに近づけ、充電ボックスを開け 、スマホ画面の指示に従ってイヤホンを接続してください。 注意：クイック接続機能はスマホのシステムバージョンを最新の安定バ ージョンにアップデートする必要があります。現在は一部の Xiaomi スマ ホに対応できます。 接続中断 デバイスがブルートゥース機能をオフに、またはイヤホンの接続範囲を超 えた場合、イヤホンは自動的に接続待機状態に入ります。10 分以内にデ バイスに接続されなかった場合、イヤホンはスリープ状態に入りますので 、イヤホンをもう一度充電ボックスに入れてから取り出し、接続待機状態 にします。 自動再接続 …

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Applicant Declaration Applicant Declaration Rev:0.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Zimi Corporation Address Room A913, No.159 Chengjiang Road, Jiangyin ,China Grantee Code 2AMIN FCC ID 2AMIN-TW100ZM Authorized Contact Name Guodong Jia Contact Email [email protected] Contact Phone +86 025 87156369 I, the unders igned, certify that I am an authorized signatory for the Applicant and therefore declare; a)in acc ordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b)in acc epting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1)l abeling the equipment with the exact FCC ID as specified in this application, (2)compliance statement labeling pursuant to the applicable rules, (3)compliance of the equipment with the applicable technical rules, c)if the A pplicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d)in acc ordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e)in acc ordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1)the A pplicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2)the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3)the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f)neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g)the A pplicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date:2021-01-06 Print Name: Guodong Jia Title: Manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Zimi Corporation Date: 2021/01/06 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: 2AMIN-TW100ZM To whom it may concern: We, the undersigned, hereby authorize Parlam Zhan to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with < Zimi Corporation >. This authorization is valid until further written notice from the applicant. Name (Printed): Guodong Jia Signature: On behalf of Company: Zimi Corporation

Zimi Corporation 2021-01-06 To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Zimi Corporation Room A913, No.159 Chengjiang Road, Jiangyin ,China Regarding: Confidentiality Request regarding application for FCC ID：2AMIN-TW100ZM LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Signature: Printed Name : Guodong Jia Title: Manager Company Name: Zimi Corporation

Zimi Corporation Current Date 2021-01-06 To: SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. No. 588 West Jindu Road, Songjiang District, Shanghai, China. 201612 Dear Sir/Madam, Subject: Declaration Letter about Identity of Products *WE Zimi Corporation HEREBY DECLARED THA T Our product: Product Description: Add the models below : Model No.: TW101ZM Manufacturer’s Name: Manufacturer’s Address: with the model(s) below which samples we chose to be tested by SGS Model No.: TW100ZM Manufacturer’s Name: Manufacturer’s Address: Note : The definition of identical should be “electrically identical”. A device will be considered to be electrically identical if no changes are made to the devices’ schematics, board layouts, component layouts, chip sets, resistors and all other electrical aspects of the device are identical. Sincerely, Signature: Printed Name : Guodong Jia Position/Title : Manager Contact Number: +86 025 87156369 Zimi Corporation Room A913, No.159 Chengjiang Road, Jiangyin ,China Room A913, No.159 Chengjiang Road, Jiangyin ,China Zimi Corporation ZMI PurPods Pro Wireless Noise Cancelling Earphone，ZMI PurPods True Wireless Earbuds *Except that the cosmestic differences (model number ,product name and appearance)., are identical with the original product. Basic software architecture remains unchanged. The differences are as follows ： The product name is ZMI PurPods Pro Wireless Noise Cancelling Earphone for TW100ZM. The product name is ZMI PurPods True Wireless Earbuds for TW101ZM.

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 7 Page 1 of 7 External Photos Applicant: Zimi Corporation Address of Applicant: Room A913, No.159 Chengjiang Road, Jiangyin ,China Equipment Under Test (EUT): Product Name: ZMI PurPods Pro Wireless Noise Cancelling Earphone，ZMI PurPods True Wireless Earbuds Model No.: TW100ZM SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 7 Page 2 of 7 Left ear SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 7 Page 3 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 7 Page 4 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 5 of 7 Page 5 of 7 Right ear SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 6 of 7 Page 6 of 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 7 of 7 Page 7 of 7 End 江苏紫米电子技术有限公司 TW100国际版礼盒彩稿 V1.2 2021/01/16 王冉 印刷+覆PP哑膜+局部UV+模切+裱糊纸板 +盒子成型 T=1.5mm灰板，里外裱157克铜版纸 覆防刮花哑膜 裁切走位≤±0.5mm 礼盒天盖礼盒地盖 True wireless stereo Dual-driver ANC Triple-microphone call noise cancelling Supports wireless charging Up to 10 hours of battery life for the earbuds Adaptive volume adjustment Pantone Cool gray 7 C Pantone 871 C CMYK 三处需做局部UV处理 Model: TW100ZM Charging Port: USB-C ® Wired Input: 5V=0.5A Max. Wireless input: supports 5W wireless chargers or higher Wireless Connection: Bluetooth v5.2 Operational Range: 10 meters barrier-free Package Contents: ZMI PurPods Pro Wireless Noise Cancelling Earphone, Charging Case, User Manual, Charging Cable and EarTips ZMI PurPods TM Pro Wireless Noise Cancelling Earphone ZMI PurPods Pro Wireless Noise Cancelling Earphone Email: [email protected] Phone: +86 400-993-8696 Manufacturer: ZIMI CORPORATION Address: Room A913,No.159 Chengjiang Road,Jiangyin City, Jiangsu Province,P.R.China USB Type-C ® and USB-C ® are registered trademarks of USB Implementers Forum. Made in China 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. FCC ID:2AMIN-TW100ZM

Label Location Justification Letter Subject: Label location request for FCC ID: 2AMIN-TW100ZM Dear Sir or Madam, For the product with FCC ID above, the certificate label including FCC ID number are not affixed on the product itself due to below reasons. It will be placed into human’s ears when used. Physical label will bring discomfort to users. Also,it’s hard to print FCC ID on surface of earphone due to it’s too small size and curved appearance. To validate the grant of equipment authorization, the FCC ID will be included in usermanual. It is readily viewable at all times for users. Thank you in advanced! Best regards. S ignature: P rinted Name: Guodong Jia Date: 2020-02-18 On behalf of Company: Zimi Corporation Telephone: +86 025 87156369

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 9 Page 1 of 9 Internal Photos Applicant: Zimi Corporation Address of Applicant: Room A913, No.159 Chengjiang Road, Jiangyin ,C hina Equipment Under Test (EUT): Product Name: ZMI PurPods Pro Wireless Noise Cancelling Earphone，ZMI PurPods True Wireless Earbuds Model No.: TW100ZM SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 9 Page 2 of 9 TW100ZM-Left SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 9 Page 3 of 9 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 9 Page 4 of 9 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 5 of 9 Page 5 of 9 TW100ZM-Right SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 6 of 9 Page 6 of 9 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 7 of 9 Page 7 of 9 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 8 of 9 Page 8 of 9 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 9 of 9 Page 9 of 9 END

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM201201071104 Page: 1 of 8 Parlam Zhan E&E Section Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing. 1 Cover Page RF Exposure REPORT Application No.: SHEM2012010711CR Applicant: Zimi Corporation Address of Applicant: Room A913, No.159 Chengjiang Road, Jiangyin ,China Manufacturer: Zimi Corporation Address of Manufacturer: Room A913, No.159 Chengjiang Road, Jiangyin ,China Factory: 1.HUIZHOU LYAND ACOUSTIC TECHNOLOGY CO., LTD 2.Inventec Appliances(Jiangning) Corporation Address of Factory: 1.NO.45,Xiangda Road, Xiaojinkou, Huizhou City, Guangdong Province, P.R.China 2. No.133, Jiang Jun Road, Jiangning Economic and Technological Development Zone, Nanjing City, P.R.China Equipment Under Test (EUT): EUT Name: ZMI PurPods Pro Wireless Noise Cancelling Earphone，ZMI PurPods True Wireless Earbuds Model No.: TW100ZM Add Model No.: TW101ZM Standard(s) : FCC Rules 47 CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Date of Receipt: 2020-12-29 Date of Test: 2020-12-30 to 2021-01-28 Date of Issue: 2021-01-29 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM201201071104 Page: 2 of 8 Revision Record Version Description Date Remark 00 Original 2021-01-29 / Authorized for issue by: Micheal Niu / Project Engineer Parlam Zhan / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM201201071104 Page: 3 of 8 2 Contents Page 1 COVER PAGE ................................................................................................................................................. 1 2 CONTENTS ..................................................................................................................................................... 3 3 GENERAL INFORMATION........................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T. ......................................................................................................... 4 3.2 DETAILS OF E.U.T. .................................................................................................................................. 4 3.3 TEST LOCATION ....................................................................................................................................... 5 3.4 TEST FACILITY .......................................................................................................................................... 5 4 TEST STANDARDS AND LIMITS ............................................................................................................... 6 4.1 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS .......................................................................... 6 5 MEASUREMENT AND CALCULATION .................................................................................................... 7 5.1 MAXIMUM TRANSMIT POWER ................................................................................................................... 7 5.2 RF EXPOSURE CALCULATION ................................................................................................................. 7 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM201201071104 Page: 4 of 8 3 General Information 3.1 General Description of E.U.T. Power supply: DC 3.7V by Rechargeable Lithium-ion Coin Cell 3.2 Details of E.U.T. BT Antenna Gain: Left earbuds 0.75dBi(Provided by client) Right earbuds 0.75dBi(Provided by client) Antenna Type: Integral Antenna Bluetooth Version: V5.2(Dual) Channel Spacing: 1MHz Modulation Type: GFSK, π/4DQPSK, 8DPSK Number of Channels: 79 Operation Frequency: 2402MHz to 2480MHz Spectrum Spread Technology: Frequency Hopping Spread Spectrum(FHSS) BLE Antenna Gain: Left earbuds 0.75dBi(Provided by client) Right earbuds 0.75dBi(Provided by client) Antenna Type: Integral Antenna Bluetooth Version: V5.2 LE Data Rate: 1Mbps&2Mbps Channel Spacing: 2MHz Modulation Type: GFSK Number of Channels: 40 Operation Frequency: 2402MHz to 2480MHz SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM201201071104 Page: 5 of 8 3.3 Test Location All tests were performed at: Compliance Certification Services (Kunshan) Inc. No.10 Weiye Rd, Innovation park, Eco&Tec, Development Zone, Kunshan City, Jiangsu, China. Tel: +86 512 5735 5888 Fax: +86 512 5737 0818 No tests were sub-contracted 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS (No. CNAS L4354) CNAS has accredited Compliance Certification Servic es (Kunshan) Inc. to ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the c ompetence in the field of testing. • A2LA (Certificate No. 2541.01) Compliance Certification Services (Kunshan) Inc. is accredited by the American Association for Laboratory Accreditation (A2LA). Certificate No. 2541.01. • FCC (Designation Number: CN1172) Compliance Certification Services Inc. has been recognized as an accredited testing laboratory. Designation Number: CN1172. • ISED (CAB identifier: CN0072) Compliance Certification Services (K…

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Appendix for SHEM2012010711CR -BT-L Power level setting using in test: Channel DH5 2DH5 3DH5 0 46 46 46 39 46 46 46 78 46 46 46 1. Bandwidth 1.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. 20dB Bandwidth Verdict Test Result (MHz) GFSK 2402 SISO 1 0.962 PASS 2441 SISO 1 0.964 PASS 2480 SISO 1 0.964 PASS Pi/4DQPSK 2402 SISO 1 1.234 PASS 2441 SISO 1 1.236 PASS 2480 SISO 1 1.234 PASS 8DPSK 2402 SISO 1 1.285 PASS 2441 SISO 1 1.277 PASS 2480 SISO 1 1.279 PASS Test Mode Frequency (MHz) TX Type ANT No. 99% Occupied Bandwidth Test Result (MHz) GFSK 2402 SISO 1 0.892 Only for Report Use 2441 SISO 1 0.887 Only for Report Use 2480 SISO 1 0.884 Only for Report Use Pi/4DQPSK 2402 SISO 1 1.158 Only for Report Use 2441 SISO 1 1.157 Only for Report Use 2480 SISO 1 1.155 Only for Report Use 8DPSK 2402 SISO 1 1.164 Only for Report Use 2441 SISO 1 1.160 Only for Report Use 2480 SISO 1 1.160 Only for Report Use 1.2 Test Graph - 20dB Bandwidth SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 1.3 Test Graph - 99% Occupied Bandwidth SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 2. Maximum Conducted Output Power 2.1 Test Result Test Mode Frequency (MHz) Tx Type Measured Peak Output Power (dBm) Limits (dBm) Verdict Ant 1 GFSK 2402 SISO 4.13 30 PASS 2441 SISO 4.14 30 PASS 2480 SISO 4.61 30 PASS Pi/4DQPSK 2402 SISO 4.12 20.97 PASS 2441 SISO 4.12 20.97 PASS 2480 SISO 4.60 20.97 PASS 8DPSK 2402 SISO 4.29 20.97 PASS 2441 SISO 4.32 20.97 PASS 2480 SISO 4.77 20.97 PASS 2.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 3. Carrier frequency separation 3.1 Test Result Test Mode TX Type ANT No. Channel Separation (MHz) 20dB Bandwidth (MHz) Limits (MHz) Verdict GFSK SISO 1 1.000 0.964 ≥0.964 PASS Pi/4DQPSK SISO 1 0.999 1.236 ≥0.824 PASS 8DPSK SISO 1 1.017 1.285 ≥0.857 PASS 3.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 4. Number of hopping frequencies 4.1 Test Result Test Mode TX Type ANT No. Num of Hopping Frequencies Limits Verdict GFSK SISO 1 79 ≥15 PASS Pi/4DQPSK SISO 1 79 ≥15 PASS 8DPSK SISO 1 79 ≥15 PASS 4.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 5. Time of Occupancy (Dwell Time) 5.1 Test Result Test Mode Packet Type TX Type ANT No. Duration of Single Pulse (ms) Obeservat ion Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limits (ms) Verdict GFSK DH1 SISO 1 0.377 31.6 320 120.640 ≤400 PASS DH3 SISO 1 1.633 31.6 160 261.280 ≤400 PASS DH5 SISO 1 2.883 31.6 107 308.481 ≤400 PASS Pi/4DQ PSK 2DH1 SISO 1 0.383 31.6 320 122.560 ≤400 PASS 2DH3 SISO 1 1.636 31.6 160 261.760 ≤400 PASS 2DH5 SISO 1 2.883 31.6 107 308.481 ≤400 PASS 8DPSK 3DH1 SISO 1 0.383 31.6 320 122.560 ≤400 PASS 3DH3 SISO 1 1.635 31.6 160 261.600 ≤400 PASS 3DH5 SISO 1 2.886 31.6 107 308.802 ≤400 PASS 5.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. 6. Unwanted Emissions in Non-restricted Frequency Bands 6.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. Spurious Conducted Emission (dBm) Limits (dBm) Verdict GFSK 2402 SISO 1 Refer to test graph -11.16 PASS 2441 SISO 1 Refer to test graph -11.16 PASS 2480 SISO 1 Refer to test graph -11.16 PASS Hopping SISO 1 Refer to test graph -11.16 PASS Pi/4DQPSK 2402 SISO 1 Refer to test graph -11.58 PASS 2441 SISO 1 Refer to test graph -11.58 PASS 2480 SISO 1 Refer to test graph -11.58 PASS Hopping SISO 1 Refer to test graph -11.58 PASS 8DPSK 2402 SISO 1 Refer to test graph -11.67 PASS 2441 SISO 1 Refer to test graph -11.67 PASS 2480 SISO 1 Refer to test graph -11.67 PASS Hopping SISO 1 Refer to test graph -11.67 PASS 6.2 Test Graph SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. SGS-CSTC Standards T…

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Appendix for SHEM2012010711CR -BT-R Power level setting using in test: Channel DH5 2DH5 3DH5 0 46 46 46 39 46 46 46 78 46 46 46 1. Bandwidth 1.1 Test Result Test Mode Frequency (MHz) TX Type ANT No. 20dB Bandwidth Verdict Test Result (MHz) GFSK 2402 SISO 1 0.962 PASS 2441 SISO 1 0.965 PASS 2480 SISO 1 0.965 PASS Pi/4DQPSK 2402 SISO 1 1.233 PASS 2441 SISO 1 1.253 PASS 2480 SISO 1 1.262 PASS 8DPSK 2402 SISO 1 1.290 PASS 2441 SISO 1 1.274 PASS 2480 SISO 1 1.275 PASS Test Mode Frequency (MHz) TX Type ANT No. 99% Occupied Bandwidth Test Result (MHz) GFSK 2402 SISO 1 0.886 Only for Report Use 2441 SISO 1 0.884 Only for Report Use 2480 SISO 1 0.886 Onl…

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