High precision resolution up to 2000 CPI with 3 level adjustable CPI: 1000/1600/2000CPI. Comfort is paramount, ergonomic design, which can efficiently reduce fatigue caused by intensively long time playing. Customizable weight system of an 8-piece weight tuning set, so you can adjust the mouse's weight to fit your comfort levels. 

Features: 
High precision resolution up to 2000 CPI with 3 level adjustable CPI: 1000/1600/2000CPI.  
Comfort is paramount, ergonomic design, which can efficiently reduce fatigue caused by intensively long time playing.  
Customizable weight system of an 8-piece weight tuning set, so you can adjust the mouse's weight to fit your comfort levels. 
Cool LED light for excellent gaming experience. 
3D anti-skid scroll wheel, easily achieve scroll information, clear and precise. 
Comfortable hand feel, natural hand position and button layout. 

Specifications: 
Type: Wired 
Working mode: Optical 
Key quantity: 6 
Highest resolution: 2000CPI 
Rating current: DC 5V/100mA 
Color: Black, white (optional) 
Cable length: Approx.1.8m 
Material: ABS  
Weight tuning cartridge: 2.4g * 8 / 0.084oz * 8  
Item size: 12.5 * 7 * 3.7cm / 4.92 * 2.75 * 1.45in (L * W * H) 
Item weight: 125g / 4.40oz 
Package size: 22 * 16.5 * 5cm / 8.66 * 6.49 * 1.96in (L * W * H) 
Package weight: 244g / 8.63oz 

Package List: 
1 * Optical gaming mouse 
1 * Weight tuning set(inside the mouse) 
1 * User manual (English and Chinese)