JFZS220BTWireless Headphones

English Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure safety, observe all warnings and cautions while using the product. ■Safety precautions Cautions for the product •Do not use the product near medical equipment. Radio waves may affect cardiac pacemakers and medical electronic equipment. Do not use the product inside medical facilities. •When using the product in aircraft, follow airline instructions. •Do not use the product near automatic control devices such as automatic doors and fire alarms. Radio waves may affect electronic equipment and cause accidents due to malfunction. •Do not disassemble, modify or attempt to repair the product to avoid electric shock, malfunction or fire. •Do not subject the product to strong impact to avoid electric shock, malfunction or fire. •Do not handle the product with wet hands to avoid electric shock or injury. •Disconnect the product from a device if the product begins to malfunction, producing smoke, odor, heat, unwanted noise or showing other signs of damage. In such a case, contact your local Audio-Technica dealer. •Do not allow the product to get wet to avoid electric shock or malfunction. •Do not put foreign matter such as combustible materials, metal, or liquid in the product. •Do not cover the product with a cloth to avoid fire or injury by overheating. •Follow applicable laws regarding mobile phone and headphone use if using headphones while driving. •Do not use the product in places where the inability to hear ambient sound presents a serious risk (such as at railroad crossings, train stations, and construction sites). •When charging, make sure to use the included USB charging cable. •Do not charge with devices that have quick-charge functionality (with a voltage of 5 V or more). Doing so may cause the product to malfunction. •To prevent damage to your hearing, do not raise the volume too high. Listening to loud sound for an extended period may cause temporary or permanent hearing loss. •Discontinue use if skin irritation results from direct contact with the product. •Do not catch your fingers or other body parts between the housing and the arm or inside the joints. Cautions for rechargeable battery The product is equipped with a rechargeable battery (lithium polymer battery). •If battery fluid gets into eyes, do not rub them. Rinse thoroughly with clean water such as tap water and consult a doctor immediately. •If battery fluid leaks, do not touch fluid with bare hands. If fluid remains inside the product, it may cause malfunction. If battery fluid leaks, contact your local Audio-Technica dealer. –If fluid gets in your mouth, gargle thoroughly with clean water such as tap water and consult a doctor immediately. –If your skin or clothing comes in contact with fluid, immediately wash the affected skin or clothing with water. If you experience skin irritation, consult a doctor. •To avoid leakage, generation of heat or explosion: –Never heat, disassemble or modify the battery, nor dispose of it in a fire. –Do not attempt to pierce with a nail, hit with a hammer or step on the battery. –Do not drop the product or subject it to strong impact. –Do not get the battery wet. •Do not use, leave or store the battery in the following places: –Area exposed to direct sunlight or high temperatures and humidity –Inside of a car under the blazing sun –Near heat sources such as heat registers •Charge only with the included USB cable to avoid malfunction or fire. •The internal rechargeable battery of this product cannot be replaced by the user. The battery may have reached the end of its service life if the usage time becomes significantly shorter even after the battery has been fully charged. If this is the case, the battery needs to be repaired. Contact your local Audio-Technica dealer for repair details. •When the product is disposed of, the built-in rechargeable battery needs to be discarded properly. Contact your local Audio-Technica dealer to learn how to properly dispose of the battery. For customers in the USA FCC Notice Warning 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. Caution You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter used in other systems. RF Exposure Statement This device complies with FCC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines. This equipment has very low levels of RF energy that is deemed to comply without testing of specific absorption rate (SAR). Contact: Responsible Company: Audio-Technica U.S., Inc. Address: 1221 Commerce Drive, Stow, Ohio 44224, USA Tel: 330-686-2600 For customers in Canada ISED statement This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence- exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. This device complies with RSS-102 radiation exposure limits set forth for an uncontrolled environment. ■Notes on use •Be sure to read the connected device’s user manual before use. •Audio-Technica will not be liable in any way for any loss of data in the unlikely event that such losses should occur while using the product. •On public transportation or in other public places, keep the volume low so as not to disturb other people. •Minimize the volume on your device before connecting t…

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Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida Tokyo Japan Date: 04/21/2021 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Letter of Authorization We, the undersigned, hereby authorize Geunki Son of DT&C Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization for FCC ID: JFZS220BT including signing of all documents relating to these matters. Any and all acts carried out by Geunki Son of DT&C Co., Ltd. on our behalf shall have the same affect as acts of our own. This authorization is valid until further written notice from Audio-Technica Corporation. “I, 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. 853(a).” Sincerely, Contact Name: Kamimura Fumio Title: General Manager, Quality Assurance Headquarters

Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida Tokyo Japan Date: 04/21/2021 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Request of Confidentiality FCC ID: JFZS220BT To Whom It may Concern: Pursuant to Sections 0.457 and 0.459 of the Commission`s Rules(CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, Audio-Technica Corporation. hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give Audio-Technica Corporation. temporary confidentiality of commercially sensitive information prior to product release. The requested permanent and Short-Term Confidential exhibits are listed as follows: PERMANENT & SHORT-TERM CONFIDENTIAL LIST Exhibit Description PERMANENT 1 Block Diagram 2 Schematics 3 Part Lists 4 Operation Description 5 NA SHORT-TERM 6 Internal Photos 7 External Photos 8 Test-Setup Photos 9 User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be public before the date of the Grant for this application. Sincerely, Contact Name: Kamimura Fumio Title: General Manager, Quality Assurance Headquarters

FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 1 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 2 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 3

ATH-S220BT Certification Mark 2021/3/4Ando Slider Printing R001-A17666 CertLabel CertLabel R-C-JMF- ATH-S220BT

FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 1 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 2 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 3 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 4 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 5 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 6 FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 7 <Battery> FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. View 8 <Antenna>

FCC ID: RF feauture Mode Transmitting Frequency(MHz) Test separation distance (mm) ANT Gain (dBi) Max. power with tune-up tolerance (dBm) Note1 Max. power with tune-up tolerance (mW) Power thresholds SAR test exclusion thresholds BT BDR(1Mbps) 2 480.00 5.0 2.36 2.50 1.778 3 0.56 3.00 BT EDR(2,3Mbps) 2 480.00 5.0 2.36 2.50 1.778 3 0.56 3.00 BLE GFSK(1Mbps) 2 480.00 5.0 2.36 3.00 1.995 3 0.63 3.00 Note1. Conclusion : SAR evaluation for general popul ation exposure conditions by me asurement or numerical simulation is not required KDB 447498 D01 clasue 4.3.1 Step 1) SAR test exclusion thresho lds for 100MHz to 6GHz at test separationn distances ≤ 50 mm [ ( max. power of channel, inclu ding tune-up tolerance, mW ) / ( min. test separation distance, mm ) ] · [ √f(GHz) ] ≤ 3.0 for 1g SAR and ≤ 7.5 for 10g extremity SAR Sample Calculation = [ ( 1.7783mW / 5mm ) ] X [ √2.48GHz ] = 0.56Note. The calculation result was rounded to two decimal place f or comparison. JFZS220BT Please refer to the operation description for Max tune-up. Standalone SAR test exclusion considerations

FCC ID: JFZS220BT Report No.: DRTFCC2104-0036 IC: 1752B-S220BT This test report is prohibited to copy or reissue in whole or in part without the approval of DT&C Co., Ltd. TRF-RF-238(06)210316 Pages: 2 / 42 Test Report Version Test Report No. Date Description Revised by Reviewed by DRTFCC2104-0036 Apr, 21. 2021 Initial issue ChangWon Lee JaeJin Lee FCC ID: JFZS220BT Report No.: DRTFCC2104-0036 IC: 1752B-S220BT This test report is prohibited to copy or reissue in whole or in part without the approval of DT&C Co., Ltd. TRF-RF-238(06)210316 Pages: 3 / 42 Table of Contents 1. General Information .................................................................................... 4 1.1 Testing Laboratory ........................................................................................................... 4 1.2 Test Environment ............................................................................................................. 4 1.3 Measurement Uncertainty ................................................................................................ 4 1.4 Details of Applicant .......................................................................................................... 5 1.5 Description of EUT ........................................................................................................... 5 1.6 Declaration by the applicant / manufacturer ................................................................. 5 1.7 Test Equipment List ......................................................................................................... 6 1.8 Summary of Test Results ................................................................................................ 7 2. Test Methodology ........................................................................................ 8 2.1 EUT Configuration ............................................................................................................ 8 2.2 EUT Exercise ..................................................................................................................... 8 2.3 General Test Procedures ................................................................................................. 8 2.4 Description of Test Modes ............................................................................................... 8 2.5 Instrument Calibration ..................................................................................................... 8 3. Test Result ................................................................................................... 9 3.1 Maximum Peak Conducted Output Power ..................................................................... 9 3.1.1 Test Setup ..................................................................................................................... 9 3.1.2 Test Procedures ........................................................................................................... 9 3.1.3 Test Results .................................................................................................................. 9 3.2 6 dB Bandwidth .............................................................................................................. 12 3.2.1 Test Setup ................................................................................................................... 12 3.2.2 Test Procedures ......................................................................................................... 12 3.2.3 Test Results ................................................................................................................ 12 3.3 Power Spectral Density .................................................................................................. 15 3.3.1 Test Setup ................................................................................................................... 15 3.3.2 Test Procedures ......................................................................................................... 15 3.3.3 Test Results ................................................................................................................ 15 3.4 Unwanted Emissions (Conducted) ............................................................................... 18 3.4.1 Test Setup ................................................................................................................... 18 3.4.2 Test Procedures ......................................................................................................... 18 3.4.3 Test Results ................................................................................................................ 19 3.5 Unwanted Emissions (Radiated) ................................................................................... 27 3.5.1 Test Setup ................................................................................................................... 29 3.5.2 Test Procedures ......................................................................................................... 29 3.5.3 Test Results ................................................................................................................ 30 3.6 AC Power-Line Conducted Emissions ......................................................................... 31 3.6.1 Test Setup ................................................................................................................... 31 3.6.2 Test Procedures ......................................................................................................... 31 3.6.3 Test Results ................................................................................................................ 31 3.7 Occupied Bandwidth ...................................................................................................... 34 3.7.1 Test Setup .........................................................................................................…

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FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. Test Setup photographs EUT Position: X-axis EUT Position: Y-axis EUT Position: Z-axis FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (0.009 ~ 30MHz) FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (Below 1GHz) FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. Test Setup Photo of Radiated Measurement (Above 1GHz) FCC ID: JFZS220BT IC: 1752B-S220BT Copyright Ⓒ 2021, DT&C Co., Ltd. Test Setup Photo of AC Line Conducted Measurement