• Sensor technology: Smooth Optical Tracking
• Sensor resolution: 1000 dpi
• Number of buttons: 3
• Scroll Wheel: Line-by-Line Precision
• Unifying ready mouse: No
• Unifying ready receiver: No
• Battery: 18 months
• Wireless operating distance: 393.7 in (10m) ⁶Wireless range and battery life may vary based on user, environmental and computing conditions.
• Wireless technology: Logitech Nano Receiver

Sustainability

• Mid Grey plastics: 31% post-consumer recycled material ⁷Excludes printed wiring assembly (PWA) plastic.

• 90% noise reduced Left/Right-click, Middle click⁸Sound level comparison between Logitech M221 and Logitech M170. Left click dBA measured by an independent lab at 1m.

Sensor technology

• Smooth optical tracking
• DPI (Min/Max): 1000±

Buttons

• Number of buttons: 3 (Left/Right-click, Middle click)

Scrolling

• Line-by-line scrolling
• Scroll Wheel: Yes, 2D, optical

Battery

• Battery: 18 months ⁹Battery life may vary based on user and computing
• Battery Details: 1 x AA (included)

Connectivity

• Connection Type: 2.4 GHz USB wireless connection
• Wireless range: 10 m ¹⁰Wireless range may vary based on user, environmental and computing conditions.
• Connect / Power: Yes, on/off switch

• 90% noise reduced Left/Right-click, Middle click⁸Sound level comparison between Logitech M221 and Logitech M170. Left click dBA measured by an independent lab at 1m.

Sensor technology

• Smooth optical tracking
• DPI (Min/Max): 1000±

Buttons

• Number of buttons: 3 (Left/Right-click, Middle click)

Scrolling

• Line-by-line scrolling
• Scroll Wheel: Yes, 2D, optical

Battery

• Battery: 18 months ⁹Battery life may vary based on user and computing
• Battery Details: 1 x AA (included)

Connectivity

• Connection Type: 2.4 GHz USB wireless connection
• Wireless range: 10 m ¹⁰Wireless range may vary based on user, environmental and computing conditions.
• Connect / Power: Yes, on/off switch

• Left/Right-click, Middle click, Scrolling and Gliding have been noise reduced ⁸Sound level comparison between Logitech M330 and Logitech M170. Left click dBA measured by an independent lab at 1m.

Sensor technology

• High Precision Optical Tracking
• DPI (Min/Max): 1000±

Buttons

• Number of buttons: 3 (Left/Right-click, Middle click)

Scrolling

• Line-by-line scrolling
• Scroll Wheel: Yes, Rubber, 2D , mechanical

Battery

• Battery: 24 months ⁹Battery life may vary based on user and computing
• Battery Details: 1 x AA (included)

Connectivity

• Connection Type: 2.4 GHz wireless connection
• Wireless range: 10 m ¹⁰Wireless range may vary based on user, environmental and computing conditions.
• Unifying-ready mouse: Yes
• Unifying-ready receiver: No

• Connection Type:  Bluetooth Classic (3.0)
• Wireless range:  10 m ¹Wireless range may vary due to environmental and computing conditions
• Battery:  1 x AA
• Battery:  10 months
• Indicator Lights (LED):  Battery LED
• DPI (Min/Max):  1000±
• Sensor technology:  Laser-grade optical sensor

• SYSTEM REQUIREMENTS:  Windows 7,8,10 or later, macOS X 10.8 or later, Chrome OS, Android 5.0 or later, Bluetooth wireless computer or tablet