Interface Type: Bluetooth
Hand Orientation: Both Hands
Power Type: Battery ( 2 x AAA (not included) )
Number of Rollers: 1
Number of Buttons: 6 (Left, Right, Scroll wheel, DPI button, Forward, Backward)
Button lifespan: 8 million times
DPI: 1600
Operation Mode: Opto-electronic
Gross Weight: 90g
Dimension: about 113 x 72 x 39mm
Button lifespan: 8 million times