4,000dpi Bluetooth optical mouse for smooth, precise control SmartWheel delivers line-by-line precision and switches to super-fast free-spin scrolling with a flick SilentTouch technology provides over 90% less click noise to help you stay focused Comfortable shape with a soft thumb area and rubber side grips supports extended use Connect via Bluetooth Low Energy or Logi Bolt USB receiver Customizable side buttons with Logitech Options+ on Windows and macOS Up to 24-month battery life with the included AA battery Compatible with Windows, macOS, Linux, ChromeOS, iPadOS, and Android; Works with Chromebook certified