Table of contents
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Sentry BT900 Premium Bluetooth Headphone User Manual
- Answer/End/Recent Call & Play/Pause/Stop
- Volume down/Last Song
- Volume up/Next Song
- Power On/Off
- Device Pairing LED
- USB Charging Port
- Headphone port
- Microphone
Basic Operations
Powering On/Off
Hold button to power on device and stop playback. Please ensure the headset is fully charged before use.
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 BT 900. Click or tap to connect (pair). After successful connection,you will hear “your bluetooth device is connected”. Now you can play music, or use bluetooth phone functions.
Included Cables
To charge device:
Plug the provided charging 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).
Important Safety Instructions
- Do not use this apparatus near water.
- Clean only with a dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- 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.
- Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus Only use attachments/ accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods of time.
- Refer all servicing to qualified service personnel.
- 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.
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