... ,dock station -stereo speakers 2W*2 -power:4*AAA battery/usb charge(DC 5V) -support ipod,iphone, ... speaker driver: 50mm*2,- fold & unfold,- power source:usb charge,- support 4*AAA battery (not include)- ... line in:3.5mm auido plug(build in),- volume control- power ... unfold), 103*63*63mm (fold),2, Accessory:- usb cable,- manual,3, Logo:- support 1-2c logo ...