Marine CD Receiver / iPod Controller, 18W RMS / 50W Max x 4, CD-R/-RWMP3/AAC/WMA Playback, USB connection for USB memory sticks, Full Speed Connection for iPod touch, iPod Nano and all iPod models with dock connector, BioLite display, bluetooth ready, Full Speed Aux input, Quick Search, Ai-NET, 3 PreOuts (4V), Remote Control Included, Steering wheel remote ready, Sub display output for use with MC-1 Marine Commander, KCE-422i Full Speed Cable included, Salt/Fog (ASTM B117) Tested, UV (ASTM D4329) Tested