Logitech M171 Wireless Mouse

• M221 reduces over 90% 4Sound level comparison between Logitech M221 and Logitech M170. Left click dBA measured by an independent lab at 1m of noise, creating a quieter and more productive environment for you and those around you. The small size and smooth cursor control make it great for tight workspaces and busy desks
• 90% noise reduced Left/Right-click, Middle click 1Sound level comparison between Logitech M221 and Logitech M170. Left click dBA measured by an independent lab at 1m
• Smooth optical tracking DPI (Min/Max): 1000
• Number of Buttons: 3 (Left/Right-click, Middle click) Line-by-line scrolling
• Scroll Wheel: Yes, 2D, optical

Experience improved virtual 7.1 surround sound with this headset, along with an intelligent vibration system and a smart audio controller for enhanced audio control. It features upgraded 40mm high-quality drivers and cool LED lights, all within a lightweight, self-adjusting headband design.