The Professional Wireless Laser Mouse is an ergonomic full-size mouse that provides comfort and support for all-day use. Complete tasks with ease using the precise 1600dpi laser sensor and 4-way scroll wheel. Choose modern design without compromising on productivity. Connect compatible Lenovo devices with just 1 nano receiver.Highlights:Lose the wires: reliable 2.4ghz wireless connection with multiple pairing protocolNo guessing: 2-year commercial battery life with LED indicatorPrecision tracking: 1600dpi high-resolution laser sensor Features:Advanced 2.4ghz wireless connectivity with multiple pairing protocolConnect compatible Lenovo devices with just 1 nano receiver1600dpi high-resolution laser sensor5 buttons, 4-way precision scrolling2-year commercial battery life (may vary based on user habits.)Battery life LED indicator2-year warranty