Logitech M221 Silent Wireless Mouse

Technical Specifications

• Connection Type: 2.4 GHz wireless connection
• Wireless range: 10 meters
• Connect / Power: Yes, the 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
• Wheel: Yes 
• Standard and Special Buttons: Middle click
• USB connection: available USB port required.

System Requirements

• Windows® 10 or later, Windows 8, Windows RT, Windows 7
• Mac OS X 10.5 or later
• Chrome OS™
• Linux Kernel 2.6+2