This new and advanced remote control app compatible car stereo allows you to enjoy music from your Android phone with a USB or Bluetooth connection, simultaneously charging your phone. Have CD, USB, AUX, Radio as secondary music sources. The New DEH-S3290BT supports Pioneer Smart Sync App which enables you to fully utilise the power of your smartphone, it expands, it evolves, and furthers every moment you spend in your car. Pioneer^s Advanced Sound Retriever technology improves the sound quality of compressed media files like MP3, WMA files. This is done by enhancing high frequencies that tends to get lost in the compression process.