Unno Tekno Wireless Mouse Contour

2.4GHz wireless connection
Click-free buttons
Ergonomic ambidextrous design
Adjustable optical resolution (800/1200/1600 dpi)
Nano wireless receptor
3 buttons + 3D scrolling wheel
Wireless range (ft): 33.
On/off switch
Plug & Play compatible with most used systems
Battery operated (1 x AA)
Dimensions (in): 4.2 x 2.6 x 1.4
Weight (oz): 2.1