*Roaming Audio includes two parts: Roaming Transmitter and Roaming Receiver
*Universal iPod/iPhone dock at your fingertip fits most docking iPod and iPhone models
*Mini USB on Transmitter Roaming Audio can be connected from computer to play music or iTune sync
*3.5mm aux-in jack on Transmitter Roaming allows you to attach other non-docking MP3/MP4 players, CD players or AV receivers
*Buttons on Transmitter Roaming: Volume up, down and source search
*iPod/iPhone gets charged while sits on Transmitter Roaming
*Multiple connection options
*Receiver Roaming connects to audio devices of your choice with 3.5mm audio line-out cable
*Search for the best reception from 4 preset channels automatically
*The effective range: 80 feet
*Works for Crossroads XRD-1000 & Crossroads Power Tower System
*Also works for any brands AVR system or active speakers