... (2*AA Batteries)Battery life:Up to 20 hoursCord length:220mm ,Product size:180x86x110mmPlug:3.5mm stereo(L-shaped)Available Color are: blue ... , red , yellowIt can connects to a portable audio player or ... speaker, can provide ample andclarity sound.It can connects to iPOD,MP3 Player,MP4Player,CD,walkman,notebook or other ...