Logitech M221 SILENT WIRELESS MOUSE-CHARCOAL

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*
*Battery life may vary based on user and computing

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