Professional optical tracing engine， precise positioning. Bright LED backlit， give you a colorful visual effect.

Features:
Professional optical tracing engine， precise positioning.
3 buttons， including scroll wheel， left button， right button.
Bright LED backlit， give you a colorful visual effect.
Ergonomic design， efficiently reduce fatigue even long time play.
Intelligent connectivity， no need to code， plug and play.

Specifications:
Brand: SONGFUL
Connection way: USB cable 
Tracking systems: Optical
Supported system: For Windows 98/XP/Vista/7/8
Cable length: More than 140cm / 55in
Item size: 11.5 * 7 * 3.5cm / 4.52 * 2.75 * 1.37in (L * W * H)
Item weight: 92g / 3.22oz
Package size: 16.5 * 8 * 4.7cm / 6.49 * 3.14 * 1.85in (L * W * H)
Package weight: 121g / 4.26oz

Package List:
1 * Wired gaming mouse