HXSJ A907 Adjustable 5500DPI Professional USB Wired Optical 7-Buttons Self-defining Gaming Mouse for Desktop Laptop Netbook

Specifications:
Color: Black
Material: ABS
Tracking system: Optical 
Voltage rating / electric current: DC 5V / 100mA 
Connection: Wired
Cable length: Approx. 145cm
Port: USB 2.0 
DPI: 1200/1600/2400/3200/5500DPI
Switch Life: 10 million cycle
Buttons: left, right, scroll wheel, DPI, fire key, advance, retreat
Light effect: colorful 
Support System: Windows 7/8/2000/XP/Vista Mac OS or latest
Item size: 13 * 8.5 * 4cm /  (L * W * H)
Item weight: 137g  
Package size: 13.5 * 11.2 * 5cm (L * W * H)

Package List:
1 * Optical Wired Gaming Mouse