4 DPI adjustments:800 DPI - 1200 DPI - 1600 DPI - 2400 DPI, 1000 Hz polling rate, 8G acceleration and an Avago sensor, Omron micro switches. 
6 buttons, and OMRON switch life:10 million times 
LED:6 colors dazzle lights (breathing) 
Klored high-strength and tensible fibers are adopted to weave the wire rods 
USB with 1.8m wire length and Anti-interference circular