Z63-U0B219RTrue wireless earbuds

User Manual Model No: B219 FCC ID:Z63-U0B219L FCC ID:Z63-U0B219R Bluetooth V5.0 True Wireless Stereo Earbuds User Manual Welcome to use Thank you for purchasing the True Wireless Stereo Earbuds B219, Please read the user manual carefully before use . Safety Warning 1. Please read the user manual carefully before using and follow the instructions. 2. Please do not modify, assemble, disassemble this earphone. Otherwise, it may cause this Bluetooth earphone with noise, fire, leakage of electricity, crash and other issues. Such problems caused by human error are not covered by the warranty range. 3. Please do not use any diluent or volatile liquid to clean the TWS earbud. 4. Please do not listen to high-volume earphones for a long time, to avoid adverse effects on hearing. 5. Please do not use this TWS earbud in any dangerous area. Button Function: 1. Charging case button, after press this button, the LED indicator will show the battetry’s capacity. 2. LED light indicator of charging case 3. Micro USB jack for charging 4. Touch button of Earbuds 5. LED indicator of Earbuds 6. Earbuds’ storage location 7. Charging Pin of Earbuds 8. Microphone of Earbuds Packaging list 1. TWS Earbud*2 2. Charging Case*1 3. Micro USB Cable*1 4. Small, Middle and Large Ear T ip*1 5. User manual *1 Bluetooth Pairing Pairing with mobile phone . 1. Take the earbuds out of the charging case, there is a “Power On......Paring” prompt voice, the earbuds will connect each other firstly and you will see a blue and red light flashing alternately on a earbud, the other’s LED indicator is off at the same time. (The other situation: Long press touch buttons of earbuds for about 2 seconds when power off, the earbuds will connect each other firstly and will be going to pairing mode. NOTE: The earbud blue and red LED indicator will light on(like a light purple indicator) at the same time for about 3minutes if fail to pair with phone, in this case, please put the earbuds back to the charging case, click the touch buttons once and long press the buttons for about 5s, then you will see a light purple indicator flashing 1s. Finally, the earbud can connect each other successfully when you take them out. 2. Turn on Bluetooth function of mobile phone , search for available Bluetooth devices. 3. Please select“B219”to pair with your device . 4. Enter“ 0000 ”for pairing connection if PIN code requested 5. There is a “Connected” prompt voice after pairing successfully. The Earbuds will be automatically power off in 3 minutes if no device paired. Pairing with computer or other devices 1. You should use Bluetooth adapter if your computer does not support Bluetooth. 2. Plug the Bluetooth adapter into the computer's USB port and make sure the Bluetooth function of the adapter is activated. 3. Long press the touch button of earbuds for about 2 seconds when power off, the earbuds will be going to pairing mode. 4. Open the Bluetooth software which installed in your PC and select "Search for Bluetooth Devices." Please refer to the details of the Bluetooth software manual. 5. After few seconds, the Bluetooth name will appear in the list, select "B219" and click the mouse button to select the pairing. 6. Turn on your media player to play music, watch TV / movies, play games, you can hear a variety of sounds or music from your Earbuds. NOTE: 1. In the event of TWS Earbuds are not used for a long time, please also charge the case in a regular time (suggest to charge the headphone once in each 30 days). 2. Low Battery Alarm: When the battery power is less than 10% and the voltage is lower than 3.3V, the Earbuds will have "beep, beep, beep" prompt tone in each 3 minutes, the red light flashed 2 times in each 3 minutes. When the battery voltage is lower than 3.1V, "beep, beep, beep" prompt tone again and earbuds power off automatically. Switch Control Function Operation prompt Power On Press and hold the touch buttons of earbuds for about 2 seconds when power off Comes with voice prompt“Power on” , blue LED light flashes 1s Power Off Press and hold the touch buttons of earbuds about 5 seconds when power on Comes with voice prompt “Power off”, red LED light flashes 1s Power on Automatically The earbuds power on automatically when took out from charging case Comes with voice prompt“Power on” , blue light flashes 1s Power off Automatically 1) The earbuds power off automatically when put them back to the charging case; 2) The Earbuds will automatically power off in 3 minutes if no device paired Comes with voice prompt “Power off”, red LED light flashes 1s Pairing with Cell Phone Press and hold the touch buttons for about 2 seconds when power off, the earbuds will enter pairing mode, and will be power off automatically if not paired in 3 minutes Comes with voice prompt " pairing ", red and blue light will flash alternately R & L Earbuds Connection Press andn hold the touch buttons for about 2 seconds when power off, then R & L earbud will connect to each other Blue and red light flashing alternately on a earbud, the other’s LED indicator is off at the same time Reconnection with Cell Phone When power on or take out the earbuds from charging case, the earbuds will reconnect to the last cell phone automatically in 10 seconds Comes with voice prompt “Connected”, the light will be off Reconnection of TWS Press and hold Left earbud(Slave) for 2s or take it out from charging case, it will connect with Right earbud(Master) automatically, then enter Paring Mode in about 10s Blue and red light flashing alternately on Right earbud, the other’s LED indicator is off at the same time Reconnection in Effective Distance If the distance between mobile phone and earbuds is more than the BT effective range(about 10m) during the Paired Mode, they will disconnect. They will reconnect again automatically under the effective range when earbuds power on / Reset please put the earbuds back to the charging case, click the touch buttons once,then press and hold the buttons for about …

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ShenZhen Aoni Electronic Industry Co., Ltd. TCBJ FORM-4 Issued by: TCB Administrator Revision 6 12/06/10 2020.06.18 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, ShenZhen Aoni Electronic Industry Co., Ltd. hereby authorize (Shenzhen STS Test Services Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Date 2020.06.18 Signature Name: tendy Dong Title: Manager Company: ShenZhen Aoni Electronic Industry Co., Ltd. Address: HongHui Industrial Park,2nd LiuXian Road, Xin'An streets, District 68, Bao'an District, ShenZhen, China

Differences Description We ShenZhen Aoni Electronic Industry Co., Ltd. state: Product： True wireless earbuds Model Name： B219, B207, B208, B209, B216, B217, B221, B222, B225, B227, B228, B229, B230, B231, B233 Trade Name: Aoni, ANC FCC ID: Z63-U0B219R The electrical circuit design, layout, components used and internal wiring for above models are identical, Only the appearance and color are difference. Signatory Date 2020.06.18 Signature Name: tendy Dong Title: Manager Company: ShenZhen Aoni Electronic Industry Co., Ltd. Address: HongHui Industrial Park,2nd LiuXian Road, Xin'An streets, District 68, Bao'an District, ShenZhen, China

ShenZhen Aoni Electronic Industry Co., Ltd. TCBJ FORM-4 Issued by: TCB Administrator Revision 6 12/06/10 2020.06.18 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (True wireless earbuds / B219, B207, B208, B209, B216, B217, B221, B222, B225, B227, B228, B229, B230, B231, B233 /FCC ID: Z63-U0B219R) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. required to be submitted with this application be permanently withheld from public review. Please contact me if there is any information you may need. Date 2020.06.18 Signature Name: tendy Dong Title: Manager Company: ShenZhen Aoni Electronic Industry Co., Ltd. Address: HongHui Industrial Park,2nd LiuXian Road, Xin'An streets, District 68, Bao'an District, ShenZhen, China

Page 1 of 5 Report No.: STS2004081 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: B219 Photo 1 Photo 2 Page 2 of 5 Report No.: STS2004081 Photo 3 Photo 4 Page 3 of 5 Report No.: STS2004081 Photo 5 Photo 6 Page 4 of 5 Report No.: STS2004081 Photo 7 Photo 8 Page 5 of 5 Report No.: STS2004081 Photo 9

MADE IN CHINA True Wireless Earbuds Model: B219 Input: 5V 1A FCC ID: Z63-U0B219L Z63-U0B219R Manufacturer: SHENZHEN AONI ELECTRONIC CO., LTD Address: No.5,Bldg.,Honghui Industrial Park, 2nd Liuxian Road, Baoan District, Shenzhen 23.8mm 29.3mm silk-screen to the bottom of the charging box silk-screen color The location of the Bluetooth earphone is too small and can not mark the FCC ID number. During production, the FCC ID number should be mark at the bottom of the charging box and user manual. If the charging case is lost or damaged, the Bluetooth earphone cannot be charging and Use.

Page 1 of 3 Report No.: STS2004081 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model: B219 Photo 1 Photo 2 BT Antenna Page 2 of 3 Report No.: STS2004081 Photo 3 Photo 4 Page 3 of 3 Report No.: STS2004081 Photo 5 Photo 6

RF EXPOSURE EVALUATION METHOD FCC ID: Z63-U0B219R According to the section 4.3.1 of KDB 447498 D01 General RF Exposure Guidance v06. 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. Maximum measured transmitter power. BT5.0 Worst Case Mode 2402-2480MHz Detector Peak GFSK 4±1dBm π/4-DQPSK 4±1dBm 8DPSK 4±1dBm GFSK_LE 8±1dBm Remark: The worst case gain of the antenna is 1dBi. 1dBi logarithmic terms convert to numeric result is nearly 1.26 Protocol Channel Frequency (GHz) Output Power to Antenna (dBm) Tune Up Power (dBm) Tune Up Power (mW) Result Limit GFSK 2.441 4.41 5 3.16 0.99 3 π/4-DQPSK 2.402 4.39 5 3.16 0.98 3 8DPSK 2.441 4.38 5 3.16 0.99 3 GFSK_LE 2.480 8.28 9 7.94 2.50 3 Threshold at which no SAR required is 2.50≤ 3.0 for 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.: STS2004081W05 Issued for ShenZhen Aoni Electronic Industry Co., Ltd. HongHui Industrial Park,2nd LiuXian Road, Xin'An streets, District 68, Bao'an District, ShenZhen, China Product Name: True wireless earbuds Brand Name: Aoni, ANC Model Name: B219 Series Model: B207, B208, B209, B216, B217, B221, B222, B225, B227, B228, B229, B230, B231, B233, B215, B226, B234, B235, B236 FCC ID: Z63-U0B219R Test Standard: FCC Part 15.247 S T L A B S Page 2 of 73 Report No.: STS2004081W05 TEST RESULT CERTIFICATION Applicant’s Name ................... : ShenZhen Aoni Electronic Industry Co., Ltd. Address .................................. : HongHui Industrial Park,2nd LiuXian Road, Xin'An streets, District 68, Bao'an District, ShenZhen, China Manufacture's Name .............. : ShenZhen Aoni Electronic Industry Co., Ltd. Address .................................. : HongHui Industrial Park,2nd LiuXian Road, Xin'An streets, District 68, Bao'an District, ShenZhen, China Product Description Product Name ........................ : True wireless earbuds Brand Name ......................... : Aoni, ANC Model Name ........................... : B219 Series Model .......................... : B207, B208, B209, B216, B217, B221, B222, B225, B227, B228, B229, B230, B231, B233, B215, B226, B234, B235, B236 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 ......... : 30 Apr. 2020 Date (s) of performance of tests : 30 Apr. 2020 ~ 12 June 2020 Date of Issue ............................. : 12 June 2020 Test Result ................................. : Pass Testing Engineer : (Chris Chen) Technical Manager : (Sean she) Authorized Signatory : (Vita Li) Page 3 of 73 Report No.: STS2004081W05 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 FREQUENCY HOPPING SYSTEM REQUIREMENTS 10 2.4 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 12 2.5 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 12 2.6 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 13 2.7 EQUIPMENTS LIST 14 3. EMC EMISSION TEST 15 3.1 CONDUCTED EMISSION MEASUREMENT 15 3.2 RADIATED EMISSION MEASUREMENT 19 4. CONDUCTED SPURIOUS & BAND EDGE EMISSION 31 4.1 LIMIT 31 4.2 TEST PROCEDURE 31 4.3 TEST SETUP 31 4.4 EUT OPERATION CONDITIONS 31 4.5 TEST RESULTS 32 5. NUMBER OF HOPPING CHANNEL 47 5.1 LIMIT 47 5.2 TEST PROCEDURE 47 5.3 TEST SETUP 47 5.4 EUT OPERATION CONDITIONS 47 5.5 TEST RESULTS 48 6. AVERAGE TIME OF OCCUPANCY 49 6.1 LIMIT 49 6.2 TEST PROCEDURE 49 6.3 TEST SETUP 49 6.4 EUT OPERATION CONDITIONS 49 6.5 TEST RESULTS 50 7. HOPPING CHANNEL SEPARATION MEASUREMEN 56 Page 4 of 73 Report No.: STS2004081W05 Table of Contents Page 7.1 LIMIT 56 7.2 TEST PROCEDURE 56 7.3 TEST SETUP 56 7.4 EUT OPERATION CONDITIONS 56 7.5 TEST RESULTS 57 8. BANDWIDTH TEST 63 8.1 LIMIT 63 8.2 TEST PROCEDURE 63 8.3 TEST SETUP 63 8.4 EUT OPERATION CONDITIONS 63 8.5 TEST RESULTS 64 9. OUTPUT POWER TEST 70 9.1 LIMIT 70 9.2 TEST PROCEDURE 70 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.: STS2004081W05 Revision History Rev. Issue Date Report NO. Effect Page Contents 00 12 June 2020 STS2004081W05 ALL Initial Issue Page 6 of 73 Report No.: STS2004081W05 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.: STS2004081W05 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…

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Page 1 of 2 FCC ID: Z63-U0B219R DSS&DTS Setup photo Model name: B219 DSS&DTS conduction DSS&DTS radiation L Page 2 of 2 FCC ID: Z63-U0B219R DSS&DTS radiation H