Brand Name: XMSJ
Type: 2.4Ghz Wireless
Origin: Mainland China
Hand Orientation: Right
DPI: 1600
Package: Yes
Number of Buttons: 4
Power Type: Rechargeable
Time to market: Apr-14
Number of Rollers: 1 pcs
Gross Weight: 70g
Operation Mode: Opto-electronic
Interface Type: USB
Operating distance: 10M
Adjustable resolution: Third gear and below
Roller direction: Four way roller