mini speaker manual usb mini speaker with bluetooth

specifications Rated power:2.5W R.frequency:90Hz-20KHz Drive unit:1*50mm S/n ratio:≥80db Battery:built-in Decoding system Working voltage: DC5V Interface type: TF card FM (you can select) Body Size D65*H118mm N.W.(kgs) 14.50 Package size 70*70*120mm G.W.(kgs) 15.80 Q'ty/CTN 60pcs/CTN Carton Size 390*292*190mm