Features: 1. Ergonomics design, suitable for all kinds of the hand type and computer 2. 6 keys, more convenient for game operations 3. 4 kinds DPI adjustable provides precise positioning 4. Custom macro settings, perfect suitable for more complex games 5. Pack well with original box, Pretty good gift for your child, husband or friends.   Specification: Mause Name: A8 Wired Gaming Mouse Key Quantity: 6 Buttons(including wheel) DPI Switch: 1200/1600/2400/3200 DPI Adjustable Key Life: 10 Million  Times Size: 133* 78 * 40 mm Weight:about 157g Color: Black USB Cable Length: about 160cm Breathing Light Color : Changeable(Press the mouse's "DPI key" and "Forward" side key to turn on/off backlight) User for: The high-end players & gaming professional players for Dota, LOL, CSGO, etc Tips: The "wheel" on the side of mouse is just a decoration, couldn't be rotated.