-Size:33*71*52mm -Power output:2W -Working current:200MA Item no.:QS-727Name:Mini Speaker-Size:33*71*52mm -Speaker:1*φ40-4W-2W?-Power epuirement:38V/380maH Power switch-Working current:200MA-Power output:2W-Frequency Response:100HZ-20KHZ-Signal-to-NOISe RATIO(Anplifier):≥92DbPacking:-In color box/123*102*51mm/GW 44G,NW 93G-100PCS/CTN-Carton:52*40*35cm/GW10KG,NW11KG QS-727 Mini Speaker