Brand Name: REDRAGON
Type: Wired
Number of Rollers: 1
Gross Weight: 301g
DPI: 12400
Package: Yes
Number of Buttons: 7
Operation Mode: Opto-electronic
Style: Finger
Power Type: Rechargeable
Time to market: 2012
Model Number: M909
Hand Orientation: Right
Interface Type: USB
high-speed USB wire: 180cm