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