... USB Input smart/portable design with seamless steel tube Fashionable Wireless Mini Speaker Sytem, Mobile Speaker with USB Input Description1) Unit ... built-in 450mAh Lithium battery, unit size L60*W60*H50mm2. Bluetooth V2.1 technology, operating distance up to 10-meter 3 ... with inlay card, 20pcs/CTN,Meas:42x29x32cm,GW:5KGS Fashionable Wireless Mini Speaker Sytem, Mobile Speaker with USB Input