Jensen WBT210 Bluetooth Portable Universal Stereo Receiver with Intergrated Microphone Receives Bluetooth(tm) wireless audio utilizing headphones. Built-in support for answering calls from most Bluetooth(tm) enabled phones. The receiver works with most Bluetooth(tm) enabled transmitters like the WBT430 wireless transmitter or your Bluetooth(tm) enabled PC etc Digital quality stereo sound and 3.5mm input Up to 30' range supports most Bluetooth(tm) enabled cell phones andIncludes AC and USB adapters for charging Lithium-Ion rechargeable battery for up to 6 hours of continuous listening or talk-time