Quick overview from the supplier:
Gaming Mouse Bloody ES9, 100-6200 dpi, 8 buttons, 220IPS, 30G, 100g, Ergonomic, Onboard Memory, Programmable, RGB, 1.8m, USB, Black
.
Sensor PMW3327 Gaming Engine
Resolution 100~6,200 CPI
Frame Speed 8000 fps
Acceleration 30 g
Tracking Speed 220 ips
Response
Report Rate 125~2000 Hz
Key Response 1 ms
Net Weight 142 g (w/ cable), 100 g (w/o cable)
Durability
Button Lifetime Over 20 Million Clicks ( Left / Right Button )
Wheel Over 500,000 Scrolls