Play music from your iPod. Charges docked iPod when connected to AC wall outlet. Universal dock with inserts to fit docking iPod (not all inserts included). Remote control with full iPod navigation control (included). Speaker out jack for optional extension speaker. Operates on AC adaptor (included) or on 8 C batteries (not included) for music on the go. Bass and Treble controls on remote control. Microphone-in jack with mic level control. Display and Design Features