... . It comply for pad, Android box,Smart TV CK12 Mouse\keyboard\Laser 3in1 Keyboard, laser scroll ball, laser pen, ... power, recharging, full power indicator, background light, touch mouse for option Technical specificationsWorking frequency2.4GWorking scope10MTransfer power0dbmWorking voltage3.3VWorking ... *60mm*12mmWeight105gWorking temperature-10c------55c 2.4G Keyboard Mouse Kit wirless Keyboard