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