EH0477W Features 3-in-1 powerful air mouse， wireless QWERTY US keyboard and remote control Infrared remote range up to 10 meters Can be used with a computer， TV or media player General Specs Brand & Model KP-810-30 Type wireless keypad Operating Range Up to 10 m Supported System Windows 7/MAC OS/Linux/Android/Google/Smart TV OS Color White Button Life 100000 times Dimensions 155 x 46 x 15 mm  Frequency Response 2.4GHz  Package Details Weight: 146.59 g Size: 22*12.5*2.5 cm