2.0, 2.4GHZ, SD, Pen Drive, 3.5mm Aux in, External iPhone Docks, Remote controller Give a laptop wireless ... 1 kHzBluetooth distance: 10m, max*Dimensions: D100*W280*H110mmFeatures:2.0 flash reader speaker2.4GHZDecoding MP3 & WMA in SD ... connect this stereo USB powered speaker to a Laptop or PC. Comparatively small and clever, this ... black)Speaker to speaker cable: Black, 1.2 m 2.4 GHZ wireless speaker