FCC ID: 2AX9Z-HFE-001 RelaJet Tech Hearing Aid(Non-Sterile)

RelaJet Tech Hearing Aid(Non-Sterile) HFE-001 USER MANUAL Index 01 Whats in the box 02 How to wear 03 Hearing Function 04 Volume Adjustment 05 Wireless Connection 06 APP Download 07 Charging Instruction 08 Specification 09 Warning/Caution 01 Whats in the box Hearing Aid(Left Ear*1, Right Ear*1) Charging Case*1, Battery*4 Ear Tip Set*1S/M/L Type-C Charging Cable*1 User Manual*1 02 How to wear l Part Introduction Replaceable Ear-tips Sponge ear tip 3 Sizes S/M/L Choose to fit Adjustable Ear Hook Made of shape memory alloys, can be bend to fit. Hearing Aid Rechargeable Battery Unique acoustic design, provide Patented natural sound. replaceable/rechargeable Powered by RelaJet Speech battery technic. Enhancement Engine Two alternate batteries for each ears. l Install ear tip & battery 1. Choose suitable ear Power Up tips, put them on the Indicator hearing aid 2. Power UpPut battery into the socket, slightly rotate clockwise. Make sure to install both ears. The indicator will light up after power up. 3. Power Off Slightly rotate the battery anti-

clockwise, pull it out. Rotate clockwise Put in Power Off Rotate anti-clockwise Pull out l How to wear 1. Put hearing aid into ear in 45. 2. Gently insert the ear tip into ear canal. 3. Rotate the hearing aid 4. Adjust the ear hook 03 Hearing Function l Buttons Instruction Front Microphone Back Microphone Top Button Bottom Button l Frequently used Hearing Function Function Operation Volume Up Volume Down Double click top button Double click bottom button LED Indicator Cue Tone 2 Thump 2 Thump Single click bottom button, mode will change in cycle:

Mute Mode Switch Regular mode, suitable for relatively quiet scenarios. 1 Speech enhancement mode, suitable when in need Thump of focusing on voice. E.g., restaurant, in moving transportation, etc. 04 Volume Adjustment Find a person to talk to you User Speaker 60-70cm 1. Switch back to regular mode. 2. The talker should stand one arm away from the user. 3. The talker keeps talking to user in regular volume. 4. The user can adjust the volume to correct level with the volume control keys in the right side, until you can hear the voice of the talker clearly. 5. If feel uncomfortable, please lower the volume. Otoadd Classic R can work without mobile connectivity, If you need to listen music/ make a phone call, please follow the instruction next page and enable wireless function. Wireless Connection 1. Pairing Steps Enter Pairing Mode Pair with another device Complete Pairing Operation Cue Tone Press top button of Otoadd Classic R for 3 seconds to enter pairing mode. LED Indicator will start blinking. Pairing Go to Bluetooth setting of your mobile or other device, you will find Otoadd Classic R on the list. Select Otoadd Classic R and pair it to your mobile or other device. LED Indicator will stop blinking. Connected u Otoadd Classic R can only pair with one device at the same time. u After hang up the phone call/stop streaming audio, Otoadd Classic R will automatically switch back to hearing mode. If not, please reboot Otoadd Classic R. 2. Frequently used Function Function Operation Cue Tone Volume Up Volume Down Double click top button Double click bottom button Answer/Hang Up calls Short press top button Stop/Play Music/Video Turn On/Off Ambient sound Short press top button Short press buttom button 2 Thump 2 Thump 06 APP Download Otoadd provides App for better user experience, please scan the QR code below and download the App. Website :

https://www.otoadd.com/mobile-app.html 07 Charging Instruction LED Indicator(White ) Button 1. When power level is lower than 20%, hearing aid will give cue tone : battery low. Please change battery then. 2. Before put battery into the charging case, please press the button of the charging case to check the power status of charging case. LED Indicator status 1 light up : Power level 0%~30%

2 light up : Power level 30%~60%

3 light up : Power level 60%~100%

3. Insert battery : put the battery into the charging case, push a little onward. 4. Take out battery : Flip the battery up, pull it out of the charging case. 5. LED indicator status :

White : Battery fully charged Red : Battery charging LED indicator

(White/Red) Insert :

Take out :

Push onward Flip up & pull out 6. Charge the Charging Case Plug Type-C cable into the Charging port Type-C Charging port 08 Specification Model Name HFE-001 Audio Codec SBC , aptX Maximum output 1263dB SPL@2000Hz Maximum gain 404dB SPL Frequency Response 200Hz~6000Hz Battery Capacity Hearing Aid3.7V/45mAH Charging Case3.7V/450mAH Weight Hearing Aid(1 ear, include battery) 9g Charging Case92g 09 Warning/Caution Important Security Instructions l Hearing aids are not able to cure or recover to normal hearing, nor to prevent any hearing impairment. l Seek medical help if you experience tinnitus or any discomfort. l Do NOT pull the ear hook roughly to avoid rupture. l Do NOT submerge or expose the hearing aid for extended period to water, or wear while participating in water sports, e.g., swimming, waterskiing, surfing, etc. l Do NOT expose the hearing aid to excessive heat (e.g., from storage in direct sunlight, fire or the like). l Do NOT make unauthorized alterations to this product. l Charge timely to achieve best battery life. l Store properly if not use for long time. l Contains small parts which may be a choking hazard. Not suitable for children. l Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, CCC). l Used battery should be recycled. Federal Communications Commission (FCC) Statement l 15.105(b) 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. Federal Communications Commission (FCC) Statement l 15.19 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. l 15.21 You are cautioned that changes or modifications not expressly approved by the part responsible for compliance could void the users authority to operate the equipment. Product Remarks l Actual size and weight may differ due to different accessories. l Color display on the website is only for reference. Please refer to the actual product. l Detailed specification may differ between different models. Please refer to the actual product. l DO NOT initiatively inform If any change of product specification, please refer to information published by manufacturer. Product NameOtoadd Classic R Model NameHFE-001 FCC ID2AX9Z-HFE-001 Designer NameRelaJet Tech (Taiwan) Co., Ltd. Designer Address 8F., No. 150, Sec. 4, Nanjing E. Rd., Songshan Dist., Taipei City 105, Taiwan (R.O.C.) Manufacturer Name DONGGUAN TYMPHANY ACOUSTIC TECHNOLOGY CO. LTD. Manufacturer Address LIUWU SECT, SANHENG ROAD, XINCHENG DISTRICT, SHEKKIT TOWN, DONGGUAN CITY, GUANGDONG PROVINCE, CHINA Websitehttps://www.otoadd.com/

SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration 8F., No. 150, Sec. 4, Nanjing E. Rd., Songshan Dist., Taipei City 105, Taiwan Applicant Legal Business Name RelaJet Tech (Taiwan) Co., Ltd. Address Grantee Code FCC ID Contact Email Contact Phone Authorized Contact Name 2AX9Z 2AX9Z-HFE-001 Tim Hsieh tim.hsieh@relajet.com 0922788232 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare;

in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for:

labeling the equipment with the exact FCC ID as specified in this application,

(1)

(2) compliance statement labeling pursuant to the applicable rules,

(3) compliance of the equipment with the applicable technical rules, if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCCs technical requirements. in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements.

(1)

(2)

(3) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. the Applicant shall, upon request by SGS, at the Applicants expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. neither the Applicant nor any party to the application is 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 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a party for these purposes. the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature:

Print Name:

Date:2022/06/28 Title:

*NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database Tim Hsieh BD Manger a) b) c) d) e) f) g) Applicant Declaration Rev:0.0

Confidentiality Request regarding application for FCC ID 2AX9Z-HFE-001 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States

<RelaJet Tech (Taiwan) Co., Ltd.>

To:

Regarding:

LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commissions rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Printed Name (on file with the FCC associated with the Grantee Code) Tim Hsieh Title:BD Manger Company Name RelaJet Tech (Taiwan) Co., Ltd.

< RelaJet Tech (Taiwan) Co., Ltd. >

TO:

Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Date: June 28, 2022 Regarding: FCC ID: 2AX9Z-HFE-001 To whom it may concern:

We, the undersigned, hereby authorize SGS Taiwan Ltd. to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. 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. Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with RelaJet Tech (Taiwan) Co., Ltd. This authorization is valid until further written notice from the applicant. Title:BD Manger Name (Printed): Tim Hsieh Signature:

On behalf of Company: RelaJet Tech (Taiwan) Co., Ltd. Telephone: 886-922788232