Home Theatre,Portable Audio Player,Mobile Phone,Computer Main features:Touch control volume on the ... remote operation system: can control the iPod, iPhone and enjoy music, movies and picturesSpec:Amplifier output power: left/right:4w*2 ... × W160mm ×H145mm speaker weight:1.1kg Ipig Hi-Fi Speaker Docking Station For Ipods Iphones 2G/3G/3GS Computer Mobile Speaker