2A7JZ-CF430SSound amplifier

Teana-CF430SB+ User Manual Please read this user manual thoroughly and completely before using the product. Version: 042022 1.【HOW TO USE HEARING AID】 2.【QUICK GUIDE】 3.【HA-Fit APP】 4.【BLUETOOTH CONNECTION】 5.【CHARGING】 .....................6 ...................6 ...........3 .................................6 ..................................10 ....................13 ..................................16 ...............18 ............................18 ......................19 .............20 ..........................20 .......................21 I. IMPORTANT SAFETY INSTRUCTIONS CONTENTS II. HOW TO USE YOUR DEVICE III. REPLACEMENT ACCESSORIES IV. MAINTENANCE AND CLEANING 1.【Daily maintenance】 2.【Care and maintenance】 1. 【Change earbuds】 2. 【Replace the sound tube】 -1- .....................................21 ...............................27 .....................................28 ..................28 ..........................22 .................23 ..................26 Read all the information in this instruction manual and any other literature included in the box before using the device. The device should not be used in the following situations: - Patients with chronic suppurative otitis media (CSOM),congenital ear atresia, or any type of ear discharge 1. CONTRAINDICATION V. HEARING AIDS CARE VI. TROUBLESHOOTING GUIDE VII.TECHNICAL SPECIFICATION VIII. DO NOT USE IF ANY OF THE FOLLOWING APPLY TO YOU: IX. MATTERS NEEDING ATTENTION, WARNING AND TIPS X. FCC WARNING STATEMENT - Keep small parts (hearing instrument, ear domes, battery or other detachable parts) that can be swallowed out of children's reach. Dropping, immersing in liquid, exposure to strong electromagnetic fields or excessive heat will damage the hearing aids. Remove devices prior to any type of X-ray, MRI, or CT scan. If parts become stuck in the ear canal, seek medical assistance - do not attempt to remove by yourself. 2. WARNINGS Warning I. IMPORTANT SAFETY INSTRUCTIONS 3.【Cleaning】 -3- - Do not use at high volume for extended periods of time-ear injury can result. - If you experience any pain or strong discomfort using the devices, remove and consult a doctor. 2. Notice Warning -4--5- - Routine maintenance to keep the device clean is required. Ensure that ear domes are free of debris and moisture at all times. - Avoid shocks or dropping the product. - Do not store or use the product in environments of high humidity or temperature (such as sauna room), to avoid damage. - Batteries should be properly recycled and not disposed in the trash. - Keep the devices away from small children. Injury or damage may result. - Do not set volume levels too high. Listening with high-output devices for extended periods at high volume levels can cause further hearing damage. - Do not share your hearing aids with others. Using a hearing aid configured for someone else can result in hearing damage or injury. - Monitor for any unusual skin reaction. If you notice any allergic reaction (itchiness, swelling, or rash), stop wearing the hearing aids and consult a medical specialist. - Do not touch the hearing aids to any type magnet or magnetized object. Your hearing aids are delicate electronic instruments and may be damaged by contact with strong magnetic fields. - Do not attempt to open or repair the devices yourself. Damage can result and will void the warranty. - Do not store your devices in a hot/humid locations. You should never leave your hearing aids near heating appllances or in direct sunlight. - Do not leave your hearing aids in the car as InsiIde temperatures can reach dangerous levels which could damage the devices. 1.【HOW TO USE HEARING AID】 2.【QUICK GUIDE】 II. HOW TO USE YOUR DEVICE -6--7- 1. Volume control 2. Microphone 3. multi-function button 4. Acoustic tube 5. Charging Point 6. Earplugs 7. Stabilizer Bar 1 3 2 4 6 7 5 2.1 ON/OFF • Long press for about 3 seconds to turn on. 2.2 Volume Adjustment • Long press for about 3 seconds to turn off the power. The hearing aids enter into hearing aid mode automatically after being turned on. Push up Increase the volume of the hearing aid; + Push down Decrease the volume of the hearing aid; Adjust the volume of the hearing aid through the volume adjustment knob. There are four volume levels. 2.3 Hearing Mode Change You can cycle through the 3 Hearing Mode by : short press button Hearing Mode Change 1 2 3 1 beep ("beep") 2 beeps ("beep beep") 3 beeps ("beep beep beep") General Hearing Mode Noise Reduction Hearing Mode Outdoor Hearing Mode Sound you will hear when activatedHearing Mode 2B 4 4 4 -8--9- Please download and install “HA-Fit” APP first. 3.【HA-Fit APP】 3.1 HA-Fit app connects to hearing aids Please turn on the hearing aid. Be sure Bluetooth is enabied on your phone. Open the “HA-Fit” APP. Click the “Searching for Devices” button. 2.4 How To Wear It Step 1: Choose a suitable size ear dome, install in sound tube tail Step 2: Gently insert the earplug into the ear canal. Step 3: Place the hearing aid behind the ear. The curve of the sound tube should fit comfortably on top of your ear. Step 4: Put the stabilizer bar into the outer bowl of the ear.  Step 1: Step 2: Step 3: Step 4: 3.2 Sound Control The HA-Fit app is designed to allow you to conveniently control your hearing aids remotely from your Android or Apple device at hand. HA-Fit app covers key features like changing programs 3.2 Hearing Evalution With the Hearing Hearing Evalution module, you can quickly set up your hearing aids according to your hearing characteristics. Please put on your hearing aids and turn them on. Please do the evalution in a quiet place. Click the “Hearing Evalution” button. After completing your hearing evalution, click the Auto- Optimize button and your hearing aids will be optimized based on your hearing score. Step 1: Click the “Sound Control” button. Follow all prompt steps to complete your personal hearing evalution. -10--11- Disconnected The devices are controlled by your personal voi…

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Date: Jun. 29, 2022 < Xiamen Wenatone Medical Technology Co., Ltd. > Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Subject; Request for Long Term Confidentiality FCC ID: 2A7JZ-CF430S 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: YongQuan Liu Title: Manager

Xiamen Wenatone Medical Technology Co., Ltd. Letter of Authorization Company: Xiamen Wenatone Medical Technology Co., Ltd. Address: 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, Xiamen, China Product name: Sound amplifier Trade Name: N/A Model name: Teana II CF430S B+ FCC Identifier: 2A7JZ-CF430S 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: YongQuan Liu Date: Jun. 29, 2022 Title: Manager Signature of applicant:

Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+

FCC ID LABEL: Label Location: FCC ID: 2A7JZ-CF430S Product name: Sound amplifier Model name: Teana II CF430S B+ Long:1.5cm Width:1cm

Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Model: Teana II CF430S B+ Chip Antenna Chip Antenna

Page 1 of 40 Report No.: UNIA22062017ER-61 FCC RADIO TEST REPORT FCC ID: 2A7JZ-CF430S Sample： Sound amplifier Trade Name： N/A Main Model： Teana II CF430S B+ Additional Model： N/A Report No.： UNIA22062017ER-61 Prepared for Xiamen Wenatone Medical Technology Co., Ltd. 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, 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.: UNIA22062017ER-61 TEST RESULT CERTIFICATION Applicant .............................. : Xiamen Wenatone Medical Technology Co., Ltd. Address ................................. : 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, Xiamen, China Manufacturer ........................ : Xiamen Wenatone Medical Technology Co., Ltd. Address ................................. : 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, Xiamen, China Product description Product ....................................... : Sound amplifier Trade Name ........................... : N/A Model Name .......................... : Teana II CF430S B+ 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 ............. : Jun. 20, 2022 ~ Jun. 28, 2022 Date of Issue .......................................... : Jun. 29, 2022 Test Result .............................................. : Pass Prepared by: Kahn yang/Supervisor Reviewer: Kelly Cheng/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 40 Report No.: UNIA22062017ER-61 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 8 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 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 TEST 39 8.1 RADIATED EMISSION 39 8.2 CONDUCTED EMISSION 40 Page 4 of 40 Report No.: UNIA22062017ER-61 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 40 Report No.: UNIA22062017ER-61 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 Page 6 of 40 Report No.: UNIA22062017ER-61 2 GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product: Sound amplifier Trade Name: N/A Main Model: Teana II CF430S B+ Additional Model: N/A Model Difference: N/A FCC ID: 2A7JZ-CF430S Operation Frequency: 2402MHz~2480MHz Number of Channels: 79CH Modulation Type: GFSK, π/4 DQPSK, 8DPSK Antenna Type: Chip Antenna Antenna Gain: 0dBi Battery: DC 3.7V, 50mAh Adapter: N/A Power Source: DC 3.7V from Li-battery or DC 5.0V/40mA from adapter with AC 120(240)V/60Hz Page 7 of 40 Report No.: UNIA22062017ER-61 2.2 CARRIER FREQUENCY OF CHANNELS Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 00 2402 21 2423 42 2444 63 2465 01 2403 22 2424 43 2445 64 2466 02 2404 23 2425 44 2446 65 2467 03 2405 24 2426 45 2447 66 2468 04 2406 25 2427 46 2448 67 2469 05 2407 26 2428 47 2449 68 2470 06 2408 27 2429 48 2450 69 2471 07 2409 28 2430 49 2451 70 2472 08 2410 29 2431 50 2452 71 2473 09 2411 30 2432 51 2453 72 2474 10 2412 31 2433 52 2454 73 2475 11 2413 32 2434 53 2455 74 2476 12 2414 33 2435 54 2456 75 2477 13 2…

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Page 1 of 30 Report No.: UNIA22062017ER-62 FCC RADIO TEST REPORT FCC ID: 2A7JZ-CF430S Sample： Sound amplifier Trade Name： N/A Main Model： Teana II CF430S B+ Additional Model： N/A Report No.： UNIA22062017ER-62 Prepared for Xiamen Wenatone Medical Technology Co., Ltd. 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, 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.: UNIA22062017ER-62 TEST RESULT CERTIFICATION Applicant .............................. : Xiamen Wenatone Medical Technology Co., Ltd. Address ................................. : 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, Xiamen, China Manufacturer ........................ : Xiamen Wenatone Medical Technology Co., Ltd. Address ................................. : 805A, Jianye building,Torch hi-Tech (Xiang An) industrial park, Xiamen, China Product description Product ....................................... : Sound amplifier Trade Name ........................... : N/A Model Name .......................... : Teana II CF430S B+ 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 ............. : Jun. 20, 2022 ~ Jun. 28, 2022 Date of Issue .......................................... : Jun. 29, 2022 Test Result.............................................. : Pass Prepared by: Kahn yang/Supervisor Reviewer: Kelly Cheng/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 30 Report No.: UNIA22062017ER-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.: UNIA22062017ER-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.: UNIA22062017ER-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 Page 6 of 30 Report No.: UNIA22062017ER-62 2 GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product: Sound amplifier Trade Name: N/A Main Model: Teana II CF430S B+ Additional Model: N/A Model Difference: N/A FCC ID: 2A7JZ-CF430S Operation Frequency: 2402MHz~2480MHz Number of Channels: 40CH Modulation Type: GFSK Antenna Type: Chip Antenna Antenna Gain: 0dBi Battery: DC 3.7V, 50mAh Adapter: N/A Power Source: DC 3.7V from Li-battery or DC 5.0V/40mA from adapter with AC 120(240)V/60Hz Page 7 of 30 Report No.: UNIA22062017ER-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 2448 33 2468 04 2410 14 2430 24 2450 34 2470 05 2412 15 2432 25 2452 35 2472 06 2414 16 2434 26 2454 36 2474 07 2416 17 2436 27 2456 37 2476 08 2418 18 2438 28 2458 38 2478 09 2420 19 2440 29 2460 39 2480 2.3 TEST MODE The EUT was programmed to be in continuously transmitting mode. Channel List Test Channel EUT Channel Tes…

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Model: Teana II CF430S B+ Radiated Emission test Model: Teana II CF430S B+ Conducted Emission test