Custom Autosound Stereo compatible with 1967-1972 Chevrolet Truck, USA-630 II High Power 300 watt AM FM Car Stereo/Radio AM-FM Stereo  300 Watts 4x75  USB Port for Flash Memory MP3/WMA Playback  30 pin Docking Cable  Direct 6 CD Changer Control  Black LCD/White Letters  Electronic Tuning and Volume Control  Front/Rear Fader  Left/Right Balance Control  Digital Clock with auto RDS Reset  RDS Tuner  RCA Auxiliary Input for Satellite, etc. 16 Pre-sets (12FM-4AM)  4 Channel RCA Pre-Amp Outs  Separate Bass and Treble  USA/Euro Tuner  Auto-Antenna Drive Lead  DSP EQ  RDS/RDBS Radio Tuner Please call technical support with any questions 1-800-671-9755