The number of keys:3
Key life:1，000,000 times
Power supply:1*AA(Alkaline batteries are recommended)
Advanced 2.4GHz wireless technology, the effective working distance of up to 10 meters.
Press the left key, right key and the wheel at the same time for 3 seconds can switch the DPI to 800, 1200 and 1600.
Built-in auto sleep function.
Easy to install, plug and play.
MINI receiver can be hidden inside the mouse, very convenient and portable.
Bright colors for option
System supported:windows 2000/XP/Vista/ Windows 7/ Windows 8