Wireless design connects via Bluetooth Low Energy or Logi Bolt USB 4,000dpi enables precise control and accuracy Four programmable buttons allow you to click with great ease Ergonomically designed for small to medium right hands with a vertical 57-degree shape that supports a more natural posture Softly textured grip and snug thumb rest provide level-above coziness Features customizable buttons, whisper-quiet clicks, and a SmartWheel for smooth, seamless scrolling Compatible with Windows, macOS, iPadOS, ChromeOS, or Linux Offers up to two years battery life (depending on usage) Plastic parts include certified post consumer recycled plastic (excludes plastic in receiver, battery, printed wiring assembly (PWA) and FFC cable)