This mouse USES a high quality optical sensor.The new stylish precision mouse is the perfect color to match your system and other accessories.This mouse includes a stylish design and precise control that not only improves your office performance, but also provides a reliable choice for mobile users.The new blue optical tracking technology enhances your control capability through the precise performance of almost any surface operation.Additional mouse suite software not only provides enhanced functionality, but also enables users to configure buttons and scroll wheels to take advantage of new features and shortcuts.Available in a variety of colors.The dimensions are ergonomically designed for comfort and portability.The silhouette is suitable for both right and left hands. It feels soft and can be used throughout the day.Can be adjusted with the system local pointer option.The roller can also be used as a button for easy use.The sensor provides leading performance and up to 10 times power efficiency.In high pressure moments, delay can be the difference between winning all or nothing.High mode provides excellent performance with 1 millisecond reporting and up to 483 hours of non-stop play, and this mouse lets you easily switch between high and low mode.Warm Tips:1. To save space, the receiver is stored in the bottom of the mouse.2. The mouse cursor moves slowly or stops when the mouse battery is low. 3. Do not disassemble the mouse by yourself, avoid dropping it, and avoid water touch it.