General Features: digital media receiver with AM/FM tuner (does not play CDs) built-in MOSFET amplifier (14 watts RMS CEA-2006/50 peak x 4 channels) built-in Bluetooth for hands-free calls and music streaming Bluetooth features include Dual Phone Pairing and Guest Mode USB Auto Switch lets you charge your phone or use it as a source plays MP3, WMA, AAC, and WAV music files Pandora-ready for iPhone and Android shallow chassis fits in a variety of applications detachable face with single-line 13-character display external microphone includedAudio Features: Advanced Sound Retriever (ASR) restores sound to compressed files 5-band graphic equalizer low-pass/high-pass filtersExpandability: built-in iPod, iPhone, and iPad control AOA 2.0 for music streaming and control from Android inputs: front USB port, front auxiliary input outputs: 2-channel preamp outputs