2A9E8R-BT-LIBluetooth hearing aid

    TWS Bluetooth Hearing Aid is compatible with both IOS and Android operating systems , the true Bluetooth connection and binaural interconnection , which can realize intelligent and free switching in listening to music, making calls, and hearing aids. This product is based on the deep cultivation of Bluetooth DSP program algorithm , and enable the hearing aid using ultra -low power consumption and high -fidelity audio , so that it has the advantages of low power consumption , wide spectrum , high power and 20 hours using time when fully charged . You will experience the bett technology , and listen to the great world wonderfully.                 
       1.Product name TWS bluetooth hearing aid 2.Designed for Air coduction amplifier for moderate hearing impaired people 3.Mark Blue color for left side, red color for right side                     Install ear tips: It is important that the tube and the dome fifit correctly into your ear. Choose the right size. open domes closed domes  1Power on / off Push 3 seconds on“upper volume button”to turn on / off the hearing aid. it flashes the green light to turn on, accompanied by (power on) voice prompt; flash the blue light to turn off, accompanied by (power off) voice prompt. 2Pairing Initial pairing : When power is on, press the "Volume Up button " 6 seconds to enter the Bluetooth pairing mode with the mobile phone ( accompanied by power on and pairing prompts successively ), then the blue and green lights flash alternately , accompanied by ( connected) prompt tone  3Volumes adjustments One short touch to volume up button , it will increase the volume accompanied with two beeps voice prompt , one short touch to volume down button , the voice is decreased accompanied two beeps , if only 1 beep ,means volume reach its maximum or minimum. 4Binaural hearing aid TWS interconnection a When power is off , long press the "Volume Up button" for 7 seconds to enter the Bluetooth pairing mode with the mobile phone (accompanied by power and paring beeps successively), then the blue and green lights flash alternately.  b Turn on the Bluetooth of the mobile phone, pair "iEarton II", click and connect, the pairing is successful, accompanied by (connected) voice prompt. c Press and hold the “volume up button” of the other hearing aid for 3 seconds to turn it on, the binaural connection is successful, and accompanied by (dong) voice prompt. dIn the Bluetooth connection mode, that is, in the hearing aid function mode.  5Charging aWhen charger plug in, its red light will light up, then thehearing aid can be put in for charging ; the hearing aid will light up in blue when charging, and will turn off when it is fully charged. Then pick up hearing aids, it will flash green once to indicate that it is automatically turned on. bBefore charging , pleasure turn off hearing aids and then put it into the charger for charging , It takes about 2 hours to be fully charged . When it is in low power, hearing aids will flash blue slowly as warning. c, If charger power off, hearing aids will be turned on automatically.  6Flight mode Pleasure turn off the Bluetooth function on your mobile phone when in an airplaine, or anyplace warned to do so, then hearing aids will enter the airplane mode state after 10 seconds.  motion lock domes receiver sound tube volume up Volume down microphone charging contact thimble indicator light  
   1Put the hearing aid behind the ear; 2Gently pinch the earbud with your index finger and thumb and carefully insert it into the ear canal (Note: If it is difficult to insert the earplug, you can use theother hand to gently pull the earlobe, which in turn makes the ear canal open wider so that the earbuds fit into the ear canal); 3Place the motion lock in the concha cavity.              
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  ƒ           „ …      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 Warning Statement Changes or modifications 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 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. ‐‐ Conn…

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< Xiamen Realink Hearing Technology Co., Ltd. > Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Date: Nov. 22, 2022 Subject; Request for Long Term Confidentiality FCC ID: 2A9E8R-BT-LI To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Huimin Wang Title: Manager

Xiamen Realink Hearing Technology Co., Ltd. Letter of Authorization Company: Xiamen Realink Hearing Technology Co., Ltd. Address: Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Product name: Bluetooth hearing aid Trade name: N/A Model name: Realink R BT-Li FCC Identifier: 2A9E8R-BT-LI We authorize MiCOM LabsInc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM LabsInc, 575 Boulder Court, Pleasanton, California 94566, USA, 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 MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Huimin Wang Date: Nov. 22, 2022 Title: Manager Signature of applicant:

Model: Realink R BT-Li Model: Realink R BT-Li Model: Realink R BT-Li Model: Realink R BT-Li

FCC ID LABEL: Label Location: Long: 2cm Width: 0.5cm FCC ID: 2A9E8R-BT-LI

Model: Realink R BT-Li Model: Realink R BT-Li Model: Realink R BT-Li Model: Realink R BT-Li Model: Realink R BT-Li Chip Antenna Chip Antenna

Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China 518110 Tel: 0086-755-29832333 Fax: 0086-755-82269029 E-Mail: [email protected] Sunlord Specifications subject to change without notice. Please check our website for latest information. Revised 2021/05/15 Multilayer Chip Antenna – SLDA Series Operating Temp. : -40°C~+85°C FEATURES APPLICATIONS PRODUCT IDENTIFICATION SHAPE AND LAND PATTERN Type: Dimensions (mm) Land Pat tern (mm) ● Light weight, compact ●Wide bandwidth, low cost ●Built-in antenna with high gain ●Bluetooth, Wireless LAN, Mobile TV ●Home RF system, etc. -2R800G ③ -S1 T F ④⑤⑥ SLDA ① 31 ② ① Type SLDA Multilayer Chip Antenna ② External Dimensions (L×W) (mm) 31 3.2×1.6 ③ Center Frequency Example Nominal Value 2R800G 2800.0MHz 2R450G 2450.0MHz ④ Series Code S1, 01, etc. ⑤ Packing T Tape & Reel ⑥ Hazardous Substance Free Products F E E F G Chip Land pattern Solder-resist H E J Land Solder-resist I G F SLDA31-2R800G-S1TF Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China 518110 Tel: 0086-755-29832333 Fax: 0086-755-82269029 E-Mail: [email protected] Sunlord Specifications subject to change without notice. Please check our website for latest information. Revised 2021/05/15 SHAPE AND DIMENSIONS Series A B C D E F G H I J SLDA31 3.2±0.2 1.6±0.2 1.2±0.2 0.5±0.2 1.6±0.2 0.8±0.2 0.8±0.2 2.2±0.2 1.4 1.6±0.2 TERINAL-CONFIGURATION EVALUATION BOARD APPLICATION GUIDE Matching Circuit No. Terminal Name No. Terminal Name (1) Feeding Point (2) NC (1) (2) Top view Bottom view SMT connector or cable You can connect it to VNA. SMT No gr ound area Chip antenna Ground area Via Layout pad Antenna Diplexer LNA Balance-Filter BPF Coupler PA LPF BALUN Sunlord Industrial Park, Dafuyuan Industrial Zone, Guanlan, Shenzhen, China 518110 Tel: 0086-755-29832333 Fax: 0086-755-82269029 E-Mail: [email protected] Sunlord Specifications subject to change without notice. Please check our website for latest information. Revised 2021/05/15 SPECIFICATIONS SLDA31 TYPE Part Number Band Width Peak Gain Average Gain VSWR Impedance Power Capacity MHz V-XZV-XZIn BW Ω W SLDA31-2R800G-S1TF≥100 2.5dBi Typ. 0dBi Typ.<2 50 3 ※Frequency will be changed with layout of PCB. Please contact us for appropriate design. RETURN LOSS SLDA31-2R800G-S1TF

Page 1 of 40 Report No.: UNIA22110706ER-61 FCC RADIO TEST REPORT FCC ID: 2A9E8R-BT-LI Sample： Bluetooth hearing aid Trade Name： N/A Main Model： Realink R BT-Li Additional Model： N/A Report No.： UNIA22110706ER-61 Prepared for Xiamen Realink Hearing Technology Co., Ltd. Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Prepared by Shenzhen United Testing Technology Co., Ltd. 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China Page 2 of 40 Report No.: UNIA22110706ER-61 TEST RESULT CERTIFICATION Applicant ............................... : Xiamen Realink Hearing Technology Co., Ltd. Address .................................. : Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Manufacturer ........................ : Xiamen Realink Hearing Technology Co., Ltd. Address .................................. : Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Product description Product....................................... : Bluetooth hearing aid Trade Name ........................... : N/A Model Name ........................... : Realink R BT-Li Test Methods ........................ : FCC Rules and Regulations Part 15 Subpart C Section 15.249, ANSI C63.10: 2013 This device described above has been tested by Shenzhen United Testing Technology Co., Ltd., and 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 UNI, this document may be altered or revised by Shenzhen United Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. Date of Test ........................................... : Date (s) of performance of tests............. : Nov. 07, 2022 ~ Nov. 16, 2022 Date of Issue ......................................... : Nov. 22, 2022 Test Result ............................................. : Pass Prepared by: Kahn yang/Supervisor Reviewer: Kelly Cheng/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 40 Report No.: UNIA22110706ER-61 Table of Contents Pages 1 TEST SUMMARY ........................................................................................................ 4 1.1 TEST PROCEDURES AND RESULTS .......................................................................... 4 1.2 TEST FACILITY ............................................................................................................ 4 1.3 MEASUREMENT UNCERTAINTY ................................................................................ 5 2 GENERAL INFORMATION ......................................................................................... 6 2.1 GENERAL DESCRIPTION OF EUT .............................................................................. 6 2.2 CARRIER FREQUENCY OF CHANNELS ..................................................................... 7 2.3 TEST MODE ................................................................................................................. 7 2.4 TEST SETUP ................................................................................................................ 8 2.5 EQUIPMENT USED IN TESTED SYSTEM ................................................................... 8 2.6 MEASUREMENT INSTRUMENTS LIST ....................................................................... 9 3 CONDUCTED EMISSION ......................................................................................... 10 3.1 TEST LIMIT ................................................................................................................. 10 3.2 TEST SETUP .............................................................................................................. 10 3.3 TEST PROCEDURE ................................................................................................... 11 3.4 TEST RESULT ............................................................................................................ 11 4 RADIATED EMISSION .............................................................................................. 14 4.1 TEST LIMIT ................................................................................................................. 14 4.2 TEST SETUP .............................................................................................................. 15 4.3 TEST PROCEDURE ................................................................................................... 16 4.4 TEST RESULT ............................................................................................................ 16 5 BAND EDGE ............................................................................................................. 28 5.1 TEST LIMIT ................................................................................................................. 28 5.2 TEST PROCEDURE ................................................................................................... 28 5.3 TEST RESULT ............................................................................................................ 28 6 OCCUPIED BANDWIDTH ......................................................................................... 31 6.1 TEST SETUP .............................................................................................................. 31 6.2 TEST PROCEDURE ................................................................................................... 31 6.4 TEST RESULT ............................................................................................................ 31 7 ANTENNA REQUIREMENT ...................................................................................... 38 8 PHOTO OF …

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Page 1 of 30 Report No.: UNIA22110706ER-62 FCC RADIO TEST REPORT FCC ID: 2A9E8R-BT-LI Sample： Bluetooth hearing aid Trade Name： N/A Main Model： Realink R BT-Li Additional Model： N/A Report No.： UNIA22110706ER-62 Prepared for Xiamen Realink Hearing Technology Co., Ltd. Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Prepared by Shenzhen United Testing Technology Co., Ltd. 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China Page 2 of 30 Report No.: UNIA22110706ER-62 TEST RESULT CERTIFICATION Applicant .............................. : Xiamen Realink Hearing Technology Co., Ltd. Address ................................. : Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Manufacturer ........................ : Xiamen Realink Hearing Technology Co., Ltd. Address ................................. : Rm.B805, jianye building, No. 96, Xiangxing Road, Xiang'an torch high tech Zone, Xiamen, China Product description Product ....................................... : Bluetooth hearing aid Trade Name ........................... : N/A Model Name .......................... : Realink R BT-Li Test Methods ........................ : FCC Rules and Regulations Part 15 Subpart C Section 15.249, ANSI C63.10: 2013 This device described above has been tested by Shenzhen United Testing Technology Co., Ltd., and 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 UNI, this document may be altered or revised by Shenzhen United Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. Date of Test ........................................... : Date (s) of performance of tests ............. : Nov. 07, 2022 ~ Nov. 16, 2022 Date of Issue .......................................... : Nov. 22, 2022 Test Result.............................................. : Pass Prepared by: Kahn yang/Supervisor Reviewer: Kelly Cheng/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 30 Report No.: UNIA22110706ER-62 Table of Contents Page 1 TEST SUMMARY 4 2 GENERAL INFORMATION 6 2.1 GENERAL DESCRIPTION OF EUT 6 2.2 CARRIER FREQUENCY OF CHANNELS 7 2.3 TEST MODE 7 2.4 TEST SETUP 7 2.5 DESCRIPTION TEST PERIPHERAL AND EUT PERIPHERAL 8 2.6 MEASUREMENT INSTRUMENTS LIST 9 3 CONDUCTED EMISSION 10 3.1 TEST LIMIT 10 3.2 TEST SETUP 10 3.3 TEST PROCEDURE 11 3.4 TEST RESULT 11 4 RADIATED EMISSION 14 4.1 TEST LIMIT 14 4.2 TEST SETUP 15 4.3 TEST PROCEDURE 16 4.4 TEST RESULT 16 5 BAND EDGE 23 5.1 TEST LIMIT 23 5.2 TEST PROCEDURE 23 5.3 TEST RESULT 23 6 OCCUPIED BANDWIDTH 26 6.1 TEST SETUP 26 6.2 TEST PROCEDURE 26 6.4 TEST RESULT 26 7 ANTENNA REQUIREMENT 28 8 PHOTO OF TEST 29 8.1 RADIATED EMISSION 29 8.2 CONDUCTED EMISSION 30 Page 4 of 30 Report No.: UNIA22110706ER-62 1 TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS ITEM STANGARD RESULT CONDUCTED EMISSION FCC Part 15.207 COMPLIANT RADIATED EMISSION FCC Part 15.209/15.249 COMPLIANT BAND EDGE FCC Part 15.249/15.205 COMPLIANT OCCUPIED BANDWIDTH FCC Part 15.215 COMPLIANT ANTENNA REQUIREMENT FCC Part 15.203 COMPLIANT 1.2 TEST FACILITY Test Firm : Shenzhen United Testing Technology Co., Ltd. Address : 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19.The testing quality system of our laboratory meets with ISO/IEC-17025 requirements. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: A2LA Certificate Number: 4747.01 The EMC Laboratory has been accredited by A2LA, and in compliance with ISO/IEC 17025:2017 General Requirements for testing Laboratories. FCC Registration Number: 674885 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. IC Registration Number: 21947 The EMC Laboratory has been registered and fully described in a report filed with the (IC) Industry Canada. Page 5 of 30 Report No.: UNIA22110706ER-62 1.3 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 %. A. Conducted Measurement: Test Site Method Measurement Frequency Range U, (dB) NOTE UNI ANSI 9kHz ~ 150kHz 2.96 150kHz ~ 30MHz 2.44 B. Radiated Measurement: Test Site Method Measurement Frequency Range U, (dB) NOTE UNI ANSI 9kHz ~ 30MHz 2.50 30MHz ~ 1000MHz 4.80 Above 1000MHz 4.13 C. RF Conducted Method: Item Measurement Uncertainty Uncertainty of total RF power, conducted Uc = ±0.8 dB Uncertainty of RF power density, conducted Uc = ±2.6 dB Uncertainty of spurious emissions, conducted Uc = ±2 % Uncertainty of Occupied Channel Bandwidth Uc = ±2 % Page 6 of 30 Report No.: UNIA22110706ER-62 2 GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product: Bluetooth hearing aid Trade Name: N/A Main Model: Realink R BT-Li Additional Model: N/A Model Difference: N/A FCC ID: 2A9E8R-BT-LI Operation Frequency: 2402MHz~2480MHz Number of Channels: 40CH Modulation Type: GFSK Antenna Type: Chip Antenna Antenna Gain: 2.5dBi Battery: DC 3.7V, 70mAh Adapter: N/A Power Source: DC 3.7V from Li-battery or DC 5.0V from adapter with AC 120(240)V/60Hz Page 7 of 30 Report No.: UNIA22110706ER-62 2.2 CARRIER FREQUENCY OF CHANNELS Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 00 2402 10 2422 20 2442 30 2462 01 2404 11 2424 21 2444 31 2464 02 2406 12 2426 22 2446 32 2466 03 2408 13 2428 23 …

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Model: Realink R BT-Li Radiated Emission test Model: Realink R BT-Li Conducted Emission test