Type: CD Receiver Chassis Size: Single DIN Bluetooth: Hands-Free Calling (HFP) Streaming Stereo Audio (A2DP) Remote Device Control (AVRCP) External Microphone USB: Full-Speed USB 1.1 (12Mbps) Charges Most USB Devices Play MP3/WMA Files From Most Flash Drives AUX: Front 3.5mm Connector: Preamp RCA Outputs: 2 Pairs (Front and Switchable Rear/Subwoofer) Playback Formats: CD-R, CD-RW, MP3, WMA Power Output: 60 watts x 4 (Peak) 18 watts x 4 (RMS)