The Lenovo Professional Wireless Laser Mouse is a full-size wireless laser mouse. It offers a resolution of 1600dpi and a 4-way scroll wheel for comfortable use. It uses a 2.4GHz wireless connection and can be easily paired with the mouse via a micro receiver. 【Main Specifications】 High-resolution laser sensor 1600dpi 4-way scrolling 5-button mouse, designed for both right-handed and left-handed users Battery life indicator Thank you for viewing.