Logitech Wireless c SILENT

TECHNICAL SPECIFICATIONS
Connection Type: 2.4 GHz wireless connection
Wireless range: 10 meters
Connect / Power: Yes, on/off switch
Battery Details: 1 x AA
Battery life: 18 months*
DPI (Min/Max): 1000
Sensor technology: Logitech Advanced Optical Tracking
Sensor resolution: 1000 dpi
Scroll Wheel: Yes, 2D, optical
Number of buttons: 3
Standard and Special Buttons: Middle click