Features:

• Ergonomics design, suitable for all kinds of the hand type and computer.
• 6 keys, more convenient for game operations.
• kinds DPI adjustable provides precise positioning.
• Custom macro settings, perfect suitable for more complex games.
• Packed well.
• Pretty good gift for your child, husband and friends.

Product Specification:

• Mouse Name: Wired Gaming Mouse.
• Key Quantity: 6 Buttons(including wheel), Old Black Version 4 Buttons. 
• DPI Switch: 800/1600/2400/3200 DPI Adjustable.
• Key Life: 10 Million Times.
• Size: 133* 78 * 40 mm.
• Weight: about 157g.
• Color: Black and white.
• USB Cable Length: about 140cm.
• 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.

NOTE: The "wheel" on the side of mouse is just a decoration. Thanks for your understanding.