Bluetooth V2.0 Wireless Music Receiver / Fm Radio Transmitter - Black Wireless, easy to operate; small and portable. Compact design; long battery life: built-in 300mah rechargeable lithium battery. Outstanding Bluetooth stereo audio quality,turn your regular stereo audio devices into a Bluetooth-enabled, wireless streaming machine thru 3.5mm audio-out jack. Position anywhere in your house to listen and conveniently control streaming from any audio source up to 10 meter range and can be moved freely no wires. Compatibility: Digital products with bluetooth, such as iPhone, iPad, cellphones