2BARI-BY01ADigital wireless hearing buds

Digital Wireless Hearing Buds Noah Sound Buds User Manual Introduction1、 The hearing buds includes:The Noah Sound bugs consists of a sound processor, buds, connecting cable and magnetic charging cable and domes. Sound Processor Magnetic charging points Switch Bud (left)Bud (right) Sound Processor Bud (left)Bud (right) Dome Receiver (built-in electronically controlled air min) Volume buttons (+/-) Mode Switch Program Switch Ready For Use 2、 The charging cable is connected to the USB charger. Charging The indicator on that meanings it is charging, and when it is full, the indicator goes o. Charging takes up to about 2 hours. Suck the magnetic charging head to the magnetic charging port position as demonstrated in the picture. Selection Of Domes There are four sizes of domes, so please choose the one that ts best and is comfortable for you. Wearing Wear the receiver with dome into the ear canal, make sure to wear to the right position, and then hang the bud on the ear. You can refer to the diagram on the right. *Note:The left and right buds are not interchangeable. Turn On And O, Bluetooth Pairing3、 Long press the on/o button for 2 seconds after turn on/o. The indicator ashes after turn on, and the indicator fast ashes o after turn o. Turn On / O Indicator On / O Switch Bluetooth Setup And Pairing After power on, the buds defaults to "Amplify Program". Button A If you need to enter the "Bluetooth mode". The operation steps are as follows: -Press the "A" button on the right bud; -Open the Bluetooth setting on the phone settings; -Search for Bluetooth devices and nd "Noah sound buds"; -Click on "Noah sound buds" to pair and connect; -After successful connection, the sound processor light will ash slowly. Switching Mode4、 The product provides two modes: Amplify and Bluetooth mode. Amplify mode: default setting, amplify the sound. Bluetooth mode: connected to the phone, receiving calls, Bluetooth audio transmission. Switch through the A button on the right bud, Amplify program - Bluetooth mode - Amplify program. Button A: Switching Program (on the right bud) Volume Adjustment And Program Switching In Amplify Mode 5、 Volume Adjustment: Volume "+" Volume " – " In the auxiliary listening mode, adjust the sound level by push the volume button on the left bud. Press " + " to increase the volume, press " – " to decrease the volume. Program Switching: In the amplify mode, 2 programs are provided to adapt to dierent listening scenarios. Program 1 is a general program, suitable for home, oce and other relatively quiet scenarios; Program 2 is a noise-reduction program, for scenarios such as outdoor and commuting. The program can be switched by the button "B" on the right bud, and there will be a "beep" or "beep beep" tone when the switch is successful. Button B: Program switching (on the right bud) More Operation Via APP6、 By installing the APP, in addition to the previously introduced button operation, you can also make more ne adjustments: -Switch between amplify mode and Bluetooth mode; -Volume adjustment; -Left and right buds volume independent adjustment (APP only); -Electronically controlled air valve switch (APP only). Precautions In Use 7、 Avoid Whistling Sound The principle is to amplify the sound, due to the sound feedback, sometimes inevitable whistling will occur. Please turn down the volume rst, and then increase the volume after the hearing buds is worn correctly, and also turn down the volume before taking o the hearing buds, and then take o it. Volume Setting Suggestions: (1)Amplify mode: In order to get the best amplify eect, please adjust the volume to the appropriate range. It is recommended not to set the volume too high, especially when you rst start using it, or in a noisy environment. (2)Bluetooth mode: It is recommended not to be at high volume for long periods of time when using Bluetooth for phone calls or audio transmission to better protect your hearing. Daily Maintenance8、 Waterproof And Moisture Resistant Please do not wear the hearing buds in case you take a shower, wash your face, get wet, etc. Please be careful to keep the earphone dry when you sweat a lot. Loss Prevention When the hearing buds are not used, do not hang on the neck or easy to slip o lost, please properly stored. Digital Wireless Hearing Buds Noah Sound Buds Charging The hearing buds must be removed when charging. Cleaning Wipe clean with a dry paper or soft cloth. Product Name:Digital Wireless Hearing Buds Product Model:BYO1A Manufacturer: BOIN HEARING TECHNOLOGY ( SHANG HAI ) CO.,LTD ; Website: www.boinhearing.com Address:Room 401,402,403,405,Building 4,No.2899, Lianhua South Road,Minhang District,Shanghai,China National Hotline:400 8200 658 Hotline:021-6477 0588 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. Any Changes or modications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 o and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiv…

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OasisCompliance,Inc.FCCID: 2BARI-BY01A CFR47§2.911(d)(7)FCCUSAgentLetterofAttestation Date:07-27-2023 FCCID:2BARI-BY01A To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern, ThisletteristoconfirmthatwehaveacceptedtheresponsibilitytoactasUSAgentonbehalf ofBoinHearingTechnology(Shanghai)Co.,Ltd.(“theapplicant”)fortheabovereferenced FCCID. Weareawareoftherequirementsandresponsibilitiesoftheapplicant’sagentforserviceof processasoutlinedintheFCCsection2.911(d)(7)andReportandOrderFCC22-84paragraph 63. U.S.AgentInformation: OasisCompliance,Inc. FRN:0033464157 JamesHe 3313VerdiDr,SanJose,CA95111 Cell:2026028330 Sincerelyyours, JamesHe GlobalMarketAccessManager OasisCompliance,Inc. Email:[email protected]

C5266091_X24_Ed.2 1/1 “Attestation Statements” TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Boin Hearing Technology (Shanghai) Co., Ltd. Grantee code: 2BARI FCC ID: 2BARI-BY01A Contact Name: Yongfu Hu Address: Room 401, 402, 403, 405, Building 4, No.2899, Lian Hua South Road, Minhang District, Shanghai City, China Telephone No: (+86) 021-6477 0588 Fax No: (+86) 021-6477 0588 Email: [email protected] i. [Boin Hearing Technology (Shanghai) Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification. ii. [ Boin Hearing Technology (Shanghai) Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. Boin Hearing Technology (Shanghai) Co., Ltd. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Date: 7.3 1.2023 Applicant’s Name: Yongfu Hu Title: Vice General Manager Signature 1 The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

CFR47§2.911(d)(7)AgentDesignationAttestation Date:07-27-2023 FCCID:2BARI-BY01A To:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 BoinHearingTechnology(Shanghai)Co.,Ltd.(“theapplicant”)asrequiredbysection 2.911(d)(7),designatesthefollowingagent,locatedintheUnitedStates,forpurposesofacting astheapplicant’sagentforserviceofprocess. Theapplicantacknowledgesthattheywillmaintainanagentfornolessthanoneyearafterthe granteehasterminatedallmarketingandimportationortheconclusionofanyCommission- relatedproceedinginvolvingtheequipment.Theapplicantfurtheracknowledgestheir responsibilitytoinformtheFCCwhenevertheagentinformationchanges. U.S.AgentInformation: JamesHe OasisCompliance,Inc. 3313VerdiDr,SanJose,CA95111 [email protected] cell:2026028330 Sincerelyyours, YongfuHu Manager BoinHearingTechnology(Shanghai)Co.,Ltd. AddressRoom401,402,403,405,Building4,No.2899,LianHuaSouthRoad,Minhang District,ShanghaiCity,China Email:[email protected] Phone:+86-021-64770588

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Boin Hearing Technology (Shanghai) Co., Ltd. Address: Room 401, 402, 403, 405, Building 4, No.2899, Lian Hua South Road, Minhang District, Shanghai City, China Product Name: Digital wireless hearing buds Model Number: BY01A FCC Identifier: 2BARI-BY01A 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: Yongfu Hu Date: 7/31/2023 Title: Vice General Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 Boin Hearing Technology (Shanghai) Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 7/31/2023 Subject: Request for Confidentiality FCC ID: 2BARI-BY01A 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 ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ 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. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. 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. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Yongfu Hu Title: Vice General Manager

Page 1 of 4 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Appendix - EUT Photos Model: BY01A Page 2 of 4 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Page 3 of 4 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Page 4 of 4 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] ----End of Report----

Page 1 of 3 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Appendix - EUT Photos Model: BY01A Page 2 of 3 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] ANT Page 3 of 3 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] ----End of Report----

Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] RF EXPOSURE Test Report Report No.: MTi230307012-04E3 Date of issue: 2023-05-26 Applicant: BOIN Hearing Technology (Shanghai) Co., Ltd Product: Digital wireless hearing buds Model(s): BY01A FCC ID: 2BARI-BY01A Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 6- Report No.: MTi230307012-04E3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. The report shall not be partially reproduced without the written consent of the laboratory; 2. The test results of this report are only responsible for the samples submitted; 3. This report is invalid without the seal and signature of the laboratory; 4. This report is invalid if transferred, altered or tampered with in any form without authorization; 5. Any objection to this report shall be submitted to the laboratory within 15 days from the date of receipt of the report. - Page 3 of 6- Report No.: MTi230307012-04E3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Applicant: BOIN Hearing Technology (Shanghai) Co., Ltd Address: Room 401, 402, 403, 405, Building 4, No.2899, Lian Hua South Road, Minhang District, Shanghai City, China Manufacturer: BOIN Hearing Technology (Shanghai) Co., Ltd Address: Room 401, 402, 403, 405, Building 4, No.2899, Lian Hua South Road, Minhang District, Shanghai City, China Factory: BOIN Hearing Technology (Shanghai) Co., Ltd Address: Room 401, 402, 403, 405, Building 4, No.2899, Lian Hua South Road, Minhang District, Shanghai City, China Product description Product name: Digital wireless hearing buds Trademark: BOIN Model name: BY01A Serial Model: N/A Standards: N/A Test method: KDB 447498 D01 v06 Date of Test Date of test: 2023-04-12 ~ 2023-05-26 Test result: Pass Test Engineer : (Yanice Xie) Reviewed By: : (Leon Chen) Approved By: : (Tom Xue) - Page 4 of 6- Report No.: MTi230307012-04E3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Table of Contents 1. STANDALONE SAR TEST EXCLUSION CONSIDERATIONS ............................................................................................ 5 2. SAR TEST EXCLUCSION THRESHOLDS ........................................................................................................................ 6 - Page 5 of 6- Report No.: MTi230307012-04E3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] 1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The minimum test separation distance defined in 4.1 f) is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified, typically in the SAR measurement or SAR analysis report, by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting are required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions. a) For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(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 values 3.0 and 7.5 are referred to as numeric thresholds in step b) below 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 according to 4.1 f) is applied to determine SAR test exclusion. b) For 100 MHz to 6 GHz and test separation distances > 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following (also illustrated in Appendix B): 1) {[Power allowed at numer…

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JTW2G45AN3216A100R REV:2 PAGE:1/8 ! Dimensions ( L ! W ) AN3216 Series Multilayer Chip Antenna Features  Monolithic SMD with small, low-profile and light-weight type.  Wide bandwidth  RoHS compliant Applications Bluetooth/Wireless LAN/Home RF ISM band 2.4GHz applications Specifications Part Number Operating Frequency (MHz) Peak Gain （XZ-V）! Average Gain （XZ-V）! VSWR Impedance JTW2G45 AN3216A100 2400 ~ 2500 0.5 dBi typ. -0.5 dBi typ. 2 max. 50  Q’ty/Reel (pcs) : 3,000pcs Operating Temperature Range : -40 ~ +85 o C Storage Temperature Range : +5 ~ +35 o C, Humidity 45~75%RH Storage Period : 12 months max. Power Capacity : 2W max. Part Number JTW 2G45 AN 3216 A100  Material Code        Identifier J TW  Frequency Range 2G45=2450MHz  Type AN : Antenna  Dimensions ( L ! W ) 3.2! 1.6 mm  Material Code+BW A100=100MHz  Packaging R: Tape & Reel B: Bulk RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:2/8 ! 2.6 3.3nH 1.2pF 1.6 2.7nH 4.2 * Terminal Configuration   Dimensions and Recommended PC Board Pattern Unit : mm a W T L Mark L W T a Dimensions 3.2±0.2 1.6±0.2 1.3+ 0.1/-0.2 0.5±0.3 (a) Without Matching Circuits (b) With Matching Circuits 1.9 0.4 *Line width should be designed to match 50 characteristic impedance, depending on PCB material and thickness. No. Terminal Name No. Terminal Name  Feeding Point  NC ! RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:3/8 ! Test Board Ground 19mm 50 Feed Line 13.5mm Matching Circuit 6.5mm No Ground 39.5mm 4mm Antenna Return Loss 6.5mm (a) Without Matching Circuits (b) With Matching Circuits Radiation Patterns ! ! ! ! ! ! ! !!!!!! !!!!!! !!!!!! !!!!!! !!!!!! !!!!! !!!!!!!! !!! ! Typical Electrical Characteristics (T=25 o C) RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:4/8 ! ! ANT Gain results: Freq. (MHz) Effi (%) Peak Gain) (dBi) 2400 44.06 -0.17 2410 43.39 -0.29 2420 46.53 0.14 2430 45.79 0.25 2440 49.88 0.33 2450 49.25 0.50 2460 47.29 0.08 2470 48.36 0.27 2480 52.66 0.31 2490 51.17 0.29 2500 51.10 0.30 RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:5/8 .... X 180 o XY-V/XY-H Z 90 o 180 o Y 0 X 270 o o XY-cut scanning direction XZ-V/XZ-H Y 180 o 90 o Z 0 o X 270 o XZ-cut scanning directio n YZ-V/YZ-H 90 o Z 0 o Y 270 o YZ-cut scanning direction XZ cut @2.45GHz Vertical Horizontal YZ cut @2.45GHz Vertical Horizontal XY c ut @2.45GHz Vertical Horizontal dBi dBi dBi RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:6/8 ! Taping Specifications Tape & Reel Dimensions (Unit: mm) vs. Quantity (pcs) A’ 1.75 ± 0.1 D E F C ∣! T B A EMBOSS TAPE Type A A’ B C D E F T Quantity/per reel Tape material AN3216 4.0± 0.1 4.0± 0.05 1.95± 0.1 3.5± 0.1 2.0± 0.05 3.5± 0.05 8.00± 0.2 1.50± 0.1 3,000pcs Plastic (Embossed) ! Reel Dimensions (Unit: mm) W4 Label: Customer’s Name, W3 ACX P/N, Q’ty, Date, ACX Corp. W5 ±0.5 Type W2 W3 W4 W5 AN3216 178±1 60±1 1.4±0.2 17±0.5 Leader and Trailer Tape Leader End Trailer End Trailer (160 mm min.) Empty Compartments with Cover Tape (500 mm min.) W2 13.5±0.5 2.3 Label !! !! !! !! ! RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:7/8 ! Peel-off Force Top Cover Tape Peel-off force should be in the range of 0.1 – 0.6 N at a peel-off speed of 300±10 mm/min . Storage Conditions (1) Temperature: 15 ~35°C, relative humidity (RH): 45~75%. (2) Non-corrosive environment Notes The contents of this data sheet are subject to change without notice. Please confirm the specifications and delivery conditions when placing your order. Peeling Direction <10 0 Carrier Tape RainSun Corporation Address: 3F, No.14, Lane 235, Baociao Rd, Sindian Dist, New Taipei City 231 Tel: +886-2-2911-7997 Fax:+886-2-2918-5200 Website:www.rainsun.com E-mail:[email protected] JTW2G45AN3216A100R REV:2 PAGE:8/8 ! Mechanical & Environmental Characteristics Item Requirements Procedure Solderability 1. No apparent damage 2. More than 95% of the terminal electrode shall be covered with new solder 1. Preheat: 120 5 o C 2. Solder: 245 5 o C for 5 1 sec Soldering strength (Termination Adhesion) 1. 1kg minimum 1. Solder specimen onto test jig. 2. Apply push force at 0.5mm/s until electrode pads are peeled off or ceramic are broken. Pushing force is applied to longitude direction Deflection (Substrate Bending) 1. No apparent damage 1. Solder specimen onto test jig (FR4, 0.8mm) using the recommend soldering profile. 2. Apply a bending force of 2mm deflection Pressure Rod R230 ` 90mm Heat/Humidity Resistance 1. No apparent damage 2. Fulfill the electrical specification after test 1. Temperature: 85 2 o C 2. Humidity: 90% ~ 95% RH 3. Duration: 1000±48hrs 4. Recovery: 1-2hrs Thermal shock (Temperature Cycle) 1. No apparent damage 2. Fulfill the electrical specification after test 1. One cycle/step 1：125 ± 5C for 30 min step 2：- 40 ± 5C for 30 min 2. No of cycles：100 3. Recovery:1-2 hrs Low Temperature Resistance 1. No apparent damage 2. Fulfill the electrical specification after test 1. Temperature: -40 o  5 o C 2. Duration: 500 ±24hrs 3. Recovery: 1-2hrs Ra…

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Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Test Report Report No.: MTi230307012-04E2 Date of issue: 2023-05-26 Applicant: BOIN Hearing Technology (Shanghai) Co., Ltd Product: Digital wireless hearing buds Model(s): BY01A FCC ID: 2BARI-BY01A Shenzhen Microtest Co., Ltd. http://www.mtitest.com Page 2 of 66 Report No.: MTi230307012-04E2 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. This test report shall not be partially reproduced without the written consent of the laboratory. 2. The test results in this test report are only responsible for the samples submitted 3. This test report is invalid without the seal and signature of the laboratory. 4. This test report is invalid if transferred, altered, or tampered with in any form without authorization. 5. Any objection to this test report shall be submitted to the laboratory within 15 days from the date of receipt of the report. Page 3 of 66 Report No.: MTi230307012-04E2 Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Table of contents 1 General Description ........................................................................................................................ 5 1.1 Description of the EUT ....................................................................................................................................... 5 1.2 Description of test modes ................................................................................................................................... 5 1.3 Test conditions .................................................................................................................................................... 7 1.4 Description of support units ................................................................................................................................ 7 2 Measurement uncertainty ............................................................................................................... 8 3 Summary of Test Result .................................................................................................................. 9 4 Test Laboratory ............................................................................................................................. 10 5 Equipment List .............................................................................................................................. 11 6 Test Result ..................................................................................................................................... 13 6.1 Antenna requirement .................…

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