FCC ID: 2ALHZNB-2020 Bluetooth noise cancelling headphones

In the Box USB Cable MZX697 Whisper Active Noise Cancelling Headphones Whisper Active Noise Whisper Active No Whisper Active No Whisper Active No Cancelling Headphones MZX697 QUICK START GUIDE A Closer Look Charging Noise Cancellation Button Next Track/ Increase Volume Previous Track/ Decrease Volume MFB (Power/Answer & End Calls/

Play & Pause Music/

Voice Assistant) LED Indicator USB Charging Port 3.5mm AUX Port MIC Powering On/

Bluetooth Pairing 2-3 SEC PRESS & HOLD Pairing Mode Red & Blue Flashing LED Paired Blue Slowly Flashing LED AL Whisper Active Noise Cancelling

)) ANC Press the Noise Cancellation button to turn on the active noise cancellation feature. Note: The Battery Indicator will ash green while the ANC feature is on. For additional user materials and warranty information, please visit alteclansing.com C N A Battery Indicator =

(red) = Charging

(blue) Complete It will take 2-3 hours to fully charge your headphones. Headphone Controls Press: Play & Pause/

Answer & End Call Press Twice: Voice Assitant ANC Press: Decrease Vol. Press & Hold 2 Sec.: Previous Track Press: Increase Vol. Press & Hold 2 Sec.: Next Track

*To use Siri or Google Assistant, you must have a phone that is compatible with one of those two voice assistants (iOS or Android, respectively).

- Your Wireless Headphones will not work with Siri or Google Assistant if the assistant is not rst enabled within the settings on the phone. For more information, see your phones user manual.

- You must be within Bluetooth range to use Siri or Google Assistant via your Wireless Headphones. Changes or modications not expressly approved by the party responsible f or compliance could void the users authority to operate the equipment. 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. 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

Apr. 20, 2020 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2ALHZNB-2020 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below:

1: Block Diagram 2: Schematics 3: Operational Description The above 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. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, KO-STAR DEVELOPMENT CO., LTD. Contact person: LING YAN

Limited Agency Agreement KO-STAR DEVELOPMENT CO., LTD. FCC ID: 2ALHZNB-2020 Apr. 10, 2020 Federal Communications Commission 445 12th Street SW Washington, DC 20554 Subject:

To Whom It May Concern:

We, KO-STAR DEVELOPMENT CO., LTD. hereby authorized Intertek Testing Services to act as our Agent for the purpose of preparing application for FCC ID number (2ALHZNB-2020) under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is (2020-04-10). The Limited Agency Agreement expires until further notice, unless sooner terminated or extended by written notice to Intertek Testing Services and the Federal Communications Commission. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. The applicant is not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 U.S.C. 862, and no party to the application is subject to a denial of federal benefits pursuant to that section. If you have any questions or comments, please do not hesitate to contact me. Sincerely,

[Signature]

KO-STAR DEVELOPMENT CO., LTD. Contact person: LING YAN