FCC ID: 2ACP4-BT825 Bluetooth Headphone

BLUETOOTH HEADPHONES Bluetooth Headp| es Pofwer on/off/Mode Volume up/Next Song Answer/End/Recent Call&Play/Pause/Stop Volume down/Last Song Device Pairing LED Headphones Port Microphone USB Charging Port Specifications:

Driver Unit: 40mm Sensitivity: 103dB+/-3dB Impedance: 32 ohms Cord Length: 4ft./1.2M Battery: Lithium-ion Bluetooth Pairing/Connection:

Turn on the product. Bluetooth mode will be activated automatically. Enable bluetooth function on your media device. Search the bluetooth device named BT825.. Click or tap to connect (pair). After successful connection (pairing) you will hear a chime. Now you can play music, or use bluetooth phone functions. Key Functions:

On/Off: Press and hold the for 5 seconds to turn on/off. Music Pause: Press the wi button to pause playing, and press the wie again to resume playback. Volume Increase: Press and hold the V+ button. Volume Reduction: Press and hold the /V- button. Next Song: Press the m+ button. Previous Song: Press the iv. button. Answer/Hang-up: Press the ie button to answer when the call is incoming, and press it again to hang up. Rejection: Press and hold the button for about 2 seconds, then release it. Warnings & Precautions

+ CAUTION: To prevent electric shock, match the wide blade of the line cord plug to the wide slot of the AC receptacle. Insert the plug fully into the receptacle.

+ WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.

+ CAUTION: Use of controls or adjustments or performance of procedures other than those specified may result in hazardous radiation exposure.

+ WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

+ WARNING: Do not place the unit on top of any soft, porous, or sensitive surfaces to avoid damaging the surface. Use a protective barrier between the unit and surface to protect the surface.

+ WARNING: Use of this unit near fluorescent lighting may cause interference regarding use of the remote. If the unit is displaying erratic behavior move away from any fluorescent lighting, as it may be the cause. Included Cables

@ 3.5mm (1/8) male to male AUX LS Plug one side of the aux cable into the headphone port and the other into your media device and use the headset while it is powered off. All Bluetooth functionality is disabled when you do this. EC -S qf Micro usB, Dc 5v USB To charge device:

Plug the small side of the micro usb cable into the usb charging port on your headset and plug the large end into usb port on a computer, or ac adapter (not included). BT865: when the product is charging, the LED light will keep in red color, when the product is fully charged, the LED light will keep in blue color. BT825: when the product is charging, the LED light will keep in red color, when the product is fully charged, the red LED light will be off. Important Safety Instructions 1.Read these Instructions. 2.Keep these Instructions. 3.Heed all Warnings. 4.Follow all instructions. 5.Do not use this apparatus near water. 6.Clean only with a dry cloth. 7.Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. 8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus

(including amplifiers)that produce heat. 9.Follow applicable laws and regulations for details for transport, shipping, and disposal of batteries. For details on recycling lithium, lithium-phosphate, and lithium-ion batteries, please contact a government recycling agency, your waste disposal service, or visit reputable online recycling source such as www.batteryercycling.com. 10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11.Only use attachments/ accessories specified by the manufacturer. 12.Unplug this apparatus during lightning storms or when unused for long periods of time. 13.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. 14.Headphones are capable of producing sound levels which can be harmful to your hearing. Do not listen at high volume for prolonged periods of time. Headphones may block out surrounding sounds. Never wear headphones while operating a vehicle. Use with caution. User assumes all risks associated with the use of this product. 90-Day Warranty Sentry warrants this product to be free from defects in materials and workmanship for 90-days from the date of original purchase. This warranty does not pertain to damage resulting from accident, abnormal use, misuse or neglect. Any defective product will be replaced if returned to an authorized Sentry dealer or to Sentry directly at: P.O. Box 885, One Bridge St. Hillburn, NY 10931. Please enclose a check for $5.00 for shipping & handling. 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 ID: 2ACP4-BT825 Model #BT825

+ The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. Sentry Industries inc declares that radio equipment BT825 is in compliance with Directive 2014/53/EU.The EU declaration of confirmity is available at https://sentryindustries. com/european-declaration-of-conformity/

Confirmity with Directives This product is CE marked to denote conformity with Directives 73/23/EEC (low voltage) and 89/336/EEC

(Electromagnetic Compatibility) , as amended. Environmental Protection Waste electrical products should not be disposed of with household waste. Please recycle where facilities exist. Check with your Local Authority or retailer for recycling advice. CS NOTE: 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, whichcan 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's 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.

507 Houston Center, 63 Mody Road, Tst, Hong Kong, China Sentry Industries Limited Apr. 24, 2020 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2ACP4-BT825 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, Sentry Industries Limited Contact person: Peetu Melwani

507 Houston Center, 63 Mody Road, Tst, Hong Kong, China Sentry Industries Limited Limited Agency Agreement Sentry Industries Limited FCC ID: 2ACP4-BT825 Apr. 28, 2020 Federal Communications Commission 445 12th Street SW Washington, DC 20554 Subject:

To Whom It May Concern:

We, Sentry Industries Limited hereby authorized Intertek Testing Services to act as our Agent for the purpose of preparing application for FCC ID number (2ACP4-BT825) under all applicable parts of the FCC rules and regulations. The effective date of this limited agency agreement is (2020-04-28). 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]

Sentry Industries Limited Contact person: Peetu Melwani