Adapsonic Stereo Bluetooth Adapter Cassette - For Phone Phone Call's and Music Streaming - Supports A2dp Stream Phone call's & Play music via your mobile phone through your car stereo cassette player or your home cassette player Enjoy full stereo sound from Mobile Phones using your car's cassette player Compatible with all stereo Bluetooth mobile phones or built-in stereo Bluetooth devices like MP3 player etc. The high capacity rechargeable battery & low power consumption circuit was built to guarantee for long hours of playing time A very innovative approach to bridging cassette players with today's advanced Bluetooth devices