High precision resolution up to 4000 DPI， and 5 level DPI: 500/1000/2000/3000/4000DPI(programmable)， each with a dedicated light color for quick identification.8 programmable buttons to set a best mouse for yourself.Customizable weight system of an 8-piece weight tuning set(2.4g * 8)， so you can adjust the mouse's weight to fit your comfort levels.  Features: High precision resolution up to 4000 DPI， and 5 level DPI: 500/1000/2000/3000/4000DPI(programmable)， each with a dedicated light color for quick identification. 8 programmable buttons to set a best mouse for yourself. 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(2.4g * 8)， so you can adjust the mouse's weight to fit your comfort levels. Over 16 million LED color options， the color breathing rate and the brightness can also be set. Keystroke life up to 5 million times， long service life. Side programmable buttons can set more than one hundred micro managements. Braided-fiber cable with gold-plated USB connector anti-interference for greatest durability and signal accuracy. Comfortable hand feel， natural hand position and button layout. Metal base， stable， fashionable and wear resistant. One button at the bottom of the mouse for shift LED color.  Specifications: Type: Wired Working mode: Optical Key quantity: 9 Programmable key quantity: 8 Highest resolution: 4000DPI Key life: 10 million times Working voltage: DC 5V ± 5% Working current: ＜ 100mA Rating: 5.0/100mA System support: for WinXP/7/8/Vista Color: Black， white (optional) Cable length: Approx.1.8m Material: ABS Weight tuning cartridge:2.4g * 8 / 0.084oz * 8 Item size: 12.1 * 7.4 * 3.7cm / 4.76 * 2.91 * 1.45in (L * W * H) Item weight: 152g / 5.36oz Package size: 22 * 16.5 * 5cm / 8.66 * 6.49 * 1.96in (L * W * H) Package weight: 311g / 10.97oz  Package List: 1 * Optical gaming mouse 1 * 8-piece weight tuning set 1 * User manual (English and Chinese) 1 * Drivers CD<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>