RII K25A 2.4Ghz Wireless Air Mouse Keyboard & Infrared Remote Control Audio Chat for TV BOX PC Games - Black (RT-MWK25A) Multifunction, with QWERTY Keyboard & Air Mouse & IR remote & Audio chat for Windows and Mac OS computers, home theater PC users, IPTV, Internet TV, Google TV, Android TV box, PS3 and Xbox 360. With USB interface receiver, and built-in advanced lithium-ion battery, energy-efficient. Build-in rechargeable polymer Lithium-ion battery, support USB charge. Signals can be transmitted with high precision with a wide learning range Universal infrared remote controller with learning function.