High-quality speaker Enjoy music everywhere USB power supply for laptop, desktop, cell phone, MP3 and other devices  Function: AUX    Power supply:  USB   DC5V  Output power : 3W*2     Product size: 7.2*8*17.2cm   Product G.W : 0.7kg    Carton size : 47*44.2*76.5cm  Carton G.W:  29kg/40pcs  Cbm/carton:  0.158