KMM-BT518HD In-Dash ReceiverPower Output: Peak: 50 watts x 4 channels RMS: 22watts x 4 channelsAndroid Rapid ChargingTheft-deterrent, detachable face plateMP3 ID3 Tag Display (Title/Artist/Album)AM/FM tuner with 18FM/6AM presetsPlayback and Audio Features: MP3/WMA/AAC/MP4/FLAC Playback via USB Compatible with Apple iPhone 6/6+ and iOS 8 software Android Rapid Charge 13-band graphic 3.5mm Front Audio Auxiliary Input Front and Rear USB Input 3 Sets of 2.5V preamp outputs (front, rear and subwoofer)Bluetooth Features: Built-in Bluetooth technology for hands-free talking and audio streaming Bluetooth version 3.0 +EDR certified Bluetooth Profiles Supported: HFP: Hands Free Profile allows a hands-free car kit to connect to a compatible mobile phone PBAP: Phone Book Access Profile allows the car stereo to display the name of the incoming caller, as well as access the contact list of the mobile phone directly from the car stereo A2DP: Advanced Audio Distribution Profile allows high quality audio to be streamed from an audio device to the car stereo AVRCP: Audio/Video Remote Control Profile supports basic remote control functions (play, pause, etc) via Bluetooth SPP: Serial Port Profile provides a wireless replacement for RS-232 based serial communications Works with most Bluetooth enabled cell phones Includes a external wired microphone for clear, convenient, distortion-free talking