Warranty: 3 Year Features: Optical sensing with high-speed response Single-cell long battery life Wireless range up to 10 meters Ergonomic design Supports multiple operating systems Stable transmission High-resolution sensor Technical Specifications: 2.4GHz wireless technology Interface: USB / Type-C DPI: 1600 (adjustable) Buttons: Left, Right, Scroll, DPI Receiver: USB nano dongle Connection: Wireless