2.4GHz RF mini Wireless Keyboard for Google TV, pc, taptop, Multi-language Mouse, keyboard, trackball laser pointer 4 in 1 2.4G Mini ... With Trackball Mouse Features:Features:This 2.4G Mini Wireless Keyboard & Mouse & Trackball & Laser Pointer Combo have 77 keys ,built-in ... lithium-ion batteries support 2,000 hours of standby time, is ...