Tonor TN437 Foldable Folding Arc Optical Wireless Mouse For Laptop Mac Computer Double-sided Board (Black)

Specification:
Type: 2.4GHz wireless mouse
Battery: 2 x AAA batteries(not included)
Key: 3 keys (left/right key + scroll)
Wireless range: about 10m
DPI: 1200
Support operating system: Windows 2000/Vista/Win7/Win8/Mac OS X(10.2.8) or higher
With Blue LED indicator. Foldable. It sleeps to stop working. When unfolded, it continues to work.
User Manual:
1.Install batteries
2.Find USB receiver, plug to your computer
3.No code need, start to play now