Features:
Mini receiver
Slip battery cover
Wide wheel
Move freely in 10 meter's area
Ergonomic battery cover design, easy to operate.
Powered by 2 x AAA batteries (Battery NOT included) 
With LED indicator. When it is folded,it sleeps to stop working. When unfolded, it continues to work.
Battery status indicator: If battery is in low power, the indicator will be red.
Package included
Computer Connection: Wireless
Wireless transmission frequency: 2.4GHz
Type: Optical Mouse
Optical Resolution: 1200 (dpi)
Key number: 3 (key)
Supports OS:Windows 2000/ Vista / Win7 / Win8
Applicable models: desktop, laptop 
Color: Black