BoxWave BlueBridge Wireless Bluetooth Car Stereo Audio Adapter/Receiver (3.5mm Aux Input Jack) for Hands Free Music Streaming or Calling for All Apple, Samsung, Android Smartphones, Tablets, MP3 Players and More! Wirelessly stream music from your smartphone to your car's stereo; Play Spotify, Pandora, or your favorite music Transform your stereo into a handsfree speakerphone for calls Connects to any stereo system with a 3.5mm AUX input jack Compatible with iOS, Android, Blackberry, and Windows smartphones Built-in battery provides 6 hours of use between charges; Includes micro USB cable to charge