Style: Trackballs,Finger,3D
Number of Rollers: 1
Gross Weight: 75g
Package: Yes
Operation Mode: Opto-electronic
Power Type: Battery
Hand Orientation: Right
Number of Buttons: 6
Interface Type: USB
Brand Name: Rapoo
Type: Bluetooth Wireless
Time to market: Dec-04
Model Number: MT550
Support Device: Smart switch between four devices