... Features * New smart design, multifunctional ,fashion and slim* Using as mouse pad, calculator,USB HUB, speakers * 5 USB HUBS (one in ... * Suitable for using in office ,school and home, etc.* Multifunctional mouse pad calculator with mini speaker* 12-Digital arithmetic, ultrathin touch ... : black , red ,bluePackage Detail* Product Size: 243*190*18 / 7mm* Carton Size : 42*32*27CM* 20pcs /CTN* N.W.: 7.5 ...