Model Totem 3
Color : 
2.4GHz RF wireless optical technology
Compatible with Windows XP, 7, 8/Mac OS X9.0
Built-in energy saving.
3 Buttons including scroll wheel and DPI switch.
Resolution 800/1600 DPI
Operating distance (without obstacles) 10m
Power rating 1.5v/18mA
Battery 1xAA
Net. weight (mouse without battery) 52.3g
Net. weight (dongle) 1.3g
 Mouse dimension 95 x 56 x 32mm
In the sales Package : 1 Nano receiver, 1 Wireless mouse