Logitech Mouse Wireless M220 Silent

Logitech M220 Silent Mice have the same click feel without the click noise. Durable, high performance feet quietly glide over the desktop.Long Battery life,M220 SILENT automatically puts itself to sleep when not in use.Ambidextrous design offers more comfort and precision than your touchpad. Its small size is perfect to toss in a bag and go. Technical Specifications Connection Type: 2.4GHz 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