1) Promotion Gift Mouse calculator with writing pad2) Using as mouse pad, calculator, USB HUB, speakers 3) Black lighting Promotion Gift Mouse calculator with writing pad Model No.BJL-CE-1038Product NameMouse pad calculator with mini speaker and USB HubSpecial Features * New smart design, multifunctional ,fashion and slim* Using as mouse pad, calculator,USB HUB, speakers * 5 USB HUBS (one in , ...