Main Features:- High-end optical engine， precise positioning.
- 6 buttons， including scroll wheel， left button， right button， advance， retreat， DPI switcher.
- Adjustable 1200 / 1600 / 2400 / 3200DPI.
- Ergonomical design， comfortable touch， long-term use without fatigue.
- Intelligent connectivity， plug and play.
- Long switch life up to?10 million.
- Total 7 bright colors showing in turns， giving you a colorful visual effect.
- Suitable for high-end players and gaming professional players.

Specifications:
- Material: ABS
- Tracking system: Optical?
- Voltage rating / electric current: DC 5V / 100mA?
- Connection: Wired
- Cable length: Approx 140cm
- Port: USB 2.0?
- DPI: 1200 / 1600 / 2400 / 3200 / 5500
- Switch life: 10 million cycle
- Light effect: Colorful?
- Support System: Windows 7 / 8 / 2000 / XP / Vista Mac OS or latest Application: Desktop，Laptop
Color: Black
DPI: 1200，1600，2400，3200
Interface Type: USB
Type: Wired Package weight: 0.205 kg
Product Size(L x W x H): 12.00 x 8.00 x 3.80 cm / 4.72 x 3.15 x 1.5 inches
Package Size(L x W x H): 13.50 x 11.00 x 5.00 cm / 5.31 x 4.33 x 1.97 inches Package Contents: 1 x A904 Optical 5500DPI 6D USB Pro Gaming Wired Mouse with LED Backlight