Simply connect your iPod or iPhone and press play. Allows you to listen to your iPod or iPhone while charging, by using the built-in dock. Compatible with iPod touch, iPod nano 1st-3rd generation, iPod classic, iPod 4th-5th generation, and iPod mini. * CD Player Has 4 different play modes, Normal, Shuffle, Program, Repeat / Digital Tuner AM/FM Radio with 30 Programmable Presets (20 FM & 10 AM) / Line-In Input Jacks lets you connect any additional Audio device, such as Tape Cassette Player, Record Player Turntable or PC * Alarm Clock Play Timer lets you Wake Up to Great Morning Selections from your iPod, CD or AM/FM Radio Stations * Go to Sleep with the sounds of your iPod, CD or AM/FM Radio and the sleep timer will shut off the system at the exact set time * Exceptional Sound with DSGX Bass Boost 3-Way Speakers & Additional 8" Sub Woofer / Total Dimensions: 36.4"W X 12"H X 15.32"D (Speakers are 8.46"D Sub-Woofer is 12"D) / Total Weight 39lb