2AFBDTW-89TWS Earphone

User’s Manual TRUE WIRELESS BLUETOOTH EARBUDS Key Diagram 1. Earphone dust screen 2. Multifunctional key 3. Microphone 4. Earphones charging port 5. Charging port Specifications: Earphones battery: 40mAh per earbud C harging Case Battery: 180mAh Transmission Distance: 10m Frequency: 2.4 GHz Charging time: 1.5 hours Play time: 3.5 hours Standby time: about 100 hours Package Contents: Charging case * 1 pcs. True wireless earbuds * 2 pcs. Lighting cable: 20cm * 1 pcs. User manual and Warranty card Earphones Use Steps and Special Instructions: y Open the cover, remove the earbuds from the charging case, earbuds will automatically turn into a pairing mode. y Turn on the Bluetooth on your device and choose [ MT-J80] device to connect. When the LED indicator of both earbuds will start to flash slowly in blue color, earbuds connected with your device successfully. y To charge the earbuds place them back into the charging case. y If you put earbuds back into the charging case they will automatically turn off and charge. y Each earbud can be connected separately and used separately with other Bluetooth devices. y To save battery TWS Earbuds will automatically shut down if there is no connection to the Bluetooth device for 3 minutes. Earphones Touch Function Description: y Power on: remove from the charging compartment and the earphone will start automatically. y Power off: Put the earbuds back into the charging case or long press 3 seconds to shut down. y Play/Pause: Single touch on any of the earbuds will initiate play or pause. y Vol+: Two quick touches on the left earbud times will increase the volume y Vol-: Two quick touches on the left earbud will decrease the volume y Previous song: Three consecutive touches of the left earbud will switch to the previous song. y Next song: Three consecutive touches of the right earbud will switch to the next song. y Answering the calls: When the phone rings, press any of the earbud multifunctional keys to answer the call. y Hand up calls: During a call press any of the earbud multifunctional keys to hand up. y Reject incoming calls: Long press any of the earbud multifunctional keys. Please Note: 1. Do not abuse or throw this product, do not squeeze it between heavy objects. Keep the product far away from high temperature and humidity. Keep the product away from other high frequency transmitter equipment, this will affect the local signal reception, resulting in sound breakup and distortion or disconnection. 2. Please note that while using this product, if for any reason you move out the range of the device you are connected to, the earphones will be disconnected. When you return back in the range of the device you might need to perform the pairing procedure again as this depends on battery life. If the earbuds are powered on and they have been disconnected from a Bluetooth device for more than 3 minutes they will automatically power off to save battery life. 3. This product can be connected to any Bluetooth enabled device. FCC ID: 2AFBDTW-89 FCC Caution: Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. IMPORTANT NOTE: 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. FCC Radiation Exposure Statement: The device has been evaluated to meet general RF exposure equirement. The device can be used in portable exposure ondition without restriction.

AinovoIndustryLimited 3rd Floor,1st Building,Dongyida industry zone, Lougang Road,Songgang town,Bao'an District, Shenzhen,China Tel:+86075536628738Fax:+86075536628738 Email:[email protected]   Date:2020/08/12  To:FEDERALCOMMUNICATIONSCOMMISSION AuthorizationandEvaluationDivision 7435OaklandMillsRoadColumbia,MD21046   TheRFchip,model:AC6956A,installedinourproductTWSEarphone ,(Modelnumber:TW89,FCCID:2AFBDTW89),whichsupportBluetoothBDR(GFSK), EDR(±/4ϋDQPSK),EDR(8DPSK),BLE,foruseintheUSmarketingthischipwillnot support/enablethe8DPSKandBLE2M.And8DPSK,BLE2Mfunctionhas beenshieldedbythemanufacturerbyusingthesoftware.  SincerelyYours,  Signature:  PrintedName:HedyHe Title:   Manager 

Block Diagram SPEAKER DAC OSCILLATOR FLASH ANT 2402-2480MHz X TA L 24M AC6956A

Ainovo Industry Limited 3rd Floor,1st Building,Dongyida industry zone, Lougang Road,Songgang town,Bao'an District, Shenzhen, China Tel: +86 0755-36628738 Fax: +86 0755-36628738 E-mail: [email protected] FCC ID Cover Letter We, Ainovo Industry Limited hereby declare that we have a product named as TWS Earphone ˄FCC ID: 2AFBDTW-89 ; Model: TW-89 ˅was tested by BACL ,which has left earbud and right earbud. We would like to declare that the product has two units which are electrically identical. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature: Printed Name: Hedy He Title: Manager

Ainovo Industry Limited 3rd Floor,1st Building,Dongyida industry zone, Lougang Road,Songgang town,Bao'an District, Shenzhen, China Tel: +86 0755-36628738 Fax: +86 0755-36628738 E-mail: [email protected] FCC Authorization 2020/08/10 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, Ainovo Industry Limited the undersigned, hereby authorize Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratory Corporation on our behalf shall have the same effect as our own action. 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. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Printed Name: Hedy He Title: Manager QA-FR-170-B

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Ainovo Industry Limited 3rd Floor,1st Building,Dongyida industry zone, Lougang Road,Songgang town,Bao'an District, Shenzhen, China Tel: +86 0755-36628738 Fax: +86 0755-36628738 E-mail: [email protected] 2020/08/10 Product Similarity Declaration To Whom It May Concern, We, Ainovo Industry Limited hereby declare that we have a product named as TWS Earphone (Model No: TW-89) (FCC ID: 2AFBDTW-89)was tested by BACL, meanwhile, for our marketing purpose, we would like to list a series model TW-31,TW-11,TW-07,TW-09,TW-92,TW-104,TW-84,TW-16,TW-22,TW-24,TW-26, TW-34,TW-36,TW-38,TW-40,TW-41,TW-42,TW-46,TW-49,TW-51,TW-54,TW-55, TW-60,TW-62,TW-67,TW-70,TW-82,TW-83,TW-86,TW-87,TW-88,TW-90,TW-93, TW- 94,TW-95,TW-96,TW-98,TW-100,TW-103,TW-105,TW-106,TW-107;AIRPOD4; I11,I9,I7,I12 on reports and certificate, all the models are identical schematics, except for the different color, different model No. No other changes are made to them. We confirm that al l inf ormation abov e is true, and we’ll be responsi ble for all the consequences. Please contact me if you have any question. Signature: Printed Name: Hedy He Title: Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Left Earbud Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Right Earbud Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Changer Box Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF

EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Left Earbud Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Right Earbud Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Antenna Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Changer Box Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-RF

Circuit Description The 24MHZ crystal oscillator drives the base of Y1. The modulation provided by AC6956A( U1). The antenna consists of a 2.4GHz Ceramic antenna There is no external ground connection. The ground is only that of the printed circuit board. Electric current is supplied by a 3.7 Volt primary battery Feature: Frequency Range: 2402MHz-2480MHz Modulation Type: GFSK, π/4 -DQPSK Antenna Type: Ceramic Antenna Crystal: 24MHz

POWER SYSTEM L3 NC LED2 R Y1 24MHZ 12PF B+ B- L1 NC C20 105 1 DACVSS 2 AVDD 3 VDDIO 4 PB8 5 PB7/AUX0R/ADC9 6 PB6/AUX0L/ADC8 7 PGND 8 SW 9 VBAT 22 GND 10 LDO_IN 11 BT_AVDD 12 PB3/OSC32KI 13 PB2/OSC32KO/ADC12 14 PB1/ADC6 15 PB0 16 BT_RF 17 VSSIO 18 BT_OSCI 19 BT_OSCO 20 ADC5/SD1CLK/PA10 21 ADC4/SD1CMD/PA9 22/2 SD1DAT/PA8 23 DVDD 24 ADC11/USBDM 25 ADC10/USBDP 26 ADC2/AUX1R/PA4 27 ADC0/MIC/PA1 28 DACR 29 DACL 30 VCOMO 31 DACVDD 32 VCOM U1 AC6956A C25 105 C29 104 C32 105 C35 105 C36 101 1 DM 1 DP 5V LED1 B L+ L- 5VG C4 NC C6 NC L2 NC L4 10UH C26 106 C27 104 C1 105 R2 NC ANT1 ANT R19 1K 1 2 3 4 5 6 U4 101 TOUCH C8 3P C28 104 R9 RES1A 2.2K C2 105 1 VDD 2 GND 3 GND 4 OUT M1 3722 C3 NC C5 104 C7 NC R1 1K R3 0R 1 2 3 4 5 6 U2 TM108JD R10 RES1A 100K R4 RES1A 100K C10 106 R5 RES1A 0R 1 DP1 BT_OSCO BT_OSCI DACR LEDR LDOIN VBAT LEDR VBAT POWERON USBDM USBDP MIC DACR DACVDD BT_AVDD LDOIN BT_OSCO BT_OSCI LDOIN VCC3V3 LEDB LEDB DACL DACL DACL BT-ANT BT_AVDD SW POWERON VBAT TOUCH BT_AVDD DVDD MIC MIC_POWER MIC_POWER BT_AVDD DC_EN VBAT SW DVDD DC_EN

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For Ainovo Industry Limited 3rd Floor,1st Building,Dongyida industry zone, Lougang Road,Songgang town,Bao'an District, Shenzhen, China FCC ID: 2AFBDTW-89 R e p o r t T y p e : O r i gi n a l R e p o r t P r o d u c t T y p e : T W S E a r p h o n e Report Number: RSZ200724832-00A Report Date: 2020-08-13 Reviewed By: Jimmy Xiao RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200724832-00A FCC Part 15.247 Page 2 of 45 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE.................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC§15.247 (i), §1.1307 (b) (1) &§2.1093 – RF EXPOSURE ...................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 11 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP ................................................................................................................................................................ 12 EMI TEST RECEIVER SETUP ....................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 CORRECTED FACTOR & MARGIN CALCULATION ............................................…

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