... connector 3,convenient for other audio devices 4, easy to control the volum 5, portable Features:Left and right sound channels can ... be connected at random by audio connector on the machine, the two channels can be shifted freelyLoudspeakers are adjustable, when ... size 60*55mm(when opening the resonance chamber, the height is 70mm)Net weight: 80g easy to control the volume , lovely speaker for ...