-Official product page link-
 
-FEATURES-
High-profile design with optimum palm support
Enhanced control for palm and claw grip styles
Included USB wireless nano-receiver
Fast Key function: execute double left click with only one key press
Soft-skin coated surface
BLUE LED 
 
-SPECS-
Brand : Marvo
Series : Scorpion
Model : M703W
 
Sensor : Optical,Pixart 3212
DPI : 1000-1600-2400
Buttons : 6
Working voltage/current : 3V/4mA
Button life : 5 million times
Roller life : 1.2 million turn
Interface : Wireless, USB 2.0
Effective distance : 10m
Power : USB Charging
OS support : Windows XP or newer