Wireless connectivity with Bluetooth Low Energy technology and Logi Bolt USB receiver Designed to fit small to medium right hands Soft rubber grip and sculpted thumb rest guarantee all day comfort 4000 DPI enables precise control and accuracy Four programmable buttons allow you to click with great ease and a SmartWheel makes way for smooth scrolling 57-degree vertical angle design offers utmost comfort to your wrist and allows forearm to maintain more of a natural posture Ergo-certified for a highly ergonomic use Compatible with Windows, macOS, iPadOS, Chrome, Linux and Android operating system Up to two years of battery life (depending on usage) Plastic parts include 70% certified post consumer recycled plastic (excludes plastic in printed wiring assembly (PWA), Touch pad, FFC cable and packaging) Uses FSC-certified paper for responsible packaging