The Clearsounds CS-CLTVBT is a bluetooth TV and audio listening system. Comfortable and adjustable headset features embedded microphone that allows use with bluetooth enabled mobile phones. The device can be paired with A2DP bluetooth devices and supports remote control of play/pause, previous/next track, volume up/down. The system allows call transfer between headset and bluetooth mobile phone with 33ft operating distance. CS-CLTVBT Features: Bluetooth TV & Audio Listening System Comfortable & Adjustable Headset Built-in Microphone - Allows Use w/ Bluetooth Enabled Mobile Phones Supports Remote Controls - Play/Pause, Previous/Next Track, Volume Up/Down Call Transfer - Between Headset & Bluetooth Mobile Phone Up to 33ft Operating Distance Up to 10hrs TV/Music Listening Up to 11hrs Talk Time Up to 250hrs Standby Time Rechargeable 230mAh Li-polymer Battery Requires 5V DC Input Voltage