Type: 2.4Ghz Wireless
Operation Mode: Opto-electronic
Hand Orientation: Right
Package: Yes
Power Type: Rechargeable
Gross Weight: 71g
Number of Buttons: 4
Interface Type: USB
Style: Trackballs
Number of Rollers: 1
DPI: 1600
Model Number: HXSJ M90 Dual Mode Wireless Mouse
C: C9047W