Dimensions
Mouse
Height: 99 mm
Width: 60 mm
Depth: 39 mm
Weight (with batteries): 73.8 g
Technical Specifications
SilentTouch Technology
90% noise reduced Left/Right-click, Middle click 
Sensor technology
Smooth optical tracking
Nominal value: DPI range
DPI range: 400-4000, Steps of 100 DPI
Buttons
Number of Buttons : 3 (Left/Right-click, Middle click)
Scrolling
Line-by-line scrolling
Scroll Wheel: Yes, 2D, mechanical
Battery life
Battery life: 18 months 
Battery Details: 1 x AA (included)
Connectivity
 Bluetooth Low Energy Technology
10 meters Connect / Power: Yes, on/off switch