Decent design mini size wireless keyboard, hand held style
2.4GHz wireless technology up to 10m wireless distance
Built-in trackball, left / right buttons and scroll wheel
USB nano receiver stores in the bottom of the keyboard
15 multi-media keys
Plug and play
Specification:
Connection: 2.4G wireless
Size: 260 x 120 x 25mm
Product weight: 210g
Mouse DPI: 1200
Tracking method: Mouse trackball
Power supply: 2pcs AA battery (not included)
Color: Black
Button lifetime: 8 million times
System requirements: Windows 2000, Me, XP, Vista, Win 7, Linux, Android and Mac or higher