... USB Input smart/portable design with seamless steel tube Fashionable Wireless Mini Speaker Sytem, Mobile Speaker with USB Input Description1) Unit ... black/customized color4) Material-seamless steel tube+plasticMain Features1. Mini portable design with built-in 450mAh Lithium battery, unit ... card, 20pcs/CTN,Meas:42x29x32cm,GW:5KGS Fashionable Wireless Mini Speaker Sytem, Mobile Speaker with USB Input