Sirius Sportster 4

     Built-In FM Transmitter
     Button For Quick FM Frequency Changes (RC)
     Rotary Knob
     30 Channel Presets
     Direct Channel Entry
     Jump Button
     Replay - Stores 44 Minutes Of Content
     Memory w/ Song Seek
     Game Alert & Game Zone
     Vehicle Kit Included w/ Aux Input
     Remote Control
     Clock, Alarm, Program Alert, Sleep
     Dimensions: 4.5"W x 2.9"H x 0.6"D
     One Year Warranty