... laser scroll ball, laser pen, 3in1 multi function wireless keyboard. It comply for pad, Android box,Smart ... , laser scroll ball, laser pen, 3in1 multi function wireless keyboard. CK12comply for Android box, pad, pc, office ... sensitivity600DPI 800DPI 1200DPIControl keyscomplex multimedia control keysDimension150mm*60mm*12mmWeight105gWorking temperature-10c------55c 2.4G wireless fly mouse keyboard