mini speaker manual usb mini speaker with bluetooth

specifications Rated power:3W R.frequency:80Hz-20KHz Drive unit:1*40mm S/n ratio:≥80db Battery:built-in Decoding system Working voltage: DC5V Selling point: FM radio and earphone Body Size 160*50*49mm N.W.(kgs) 20.80 Package size 170*75*50mm G.W.(kgs) 22.90 Q'ty/CTN 88pcs/CTN Carton Size 550*265*515mm