Youzee 2.4GHz Cordless Wireless Optical USB Mouse Mice for Laptop PC Computer(Black) HAND-FRIENDLY DESIGN - Ergonomic shape, optimized wireless solution for a smooth, precise, easy and affordable mouse. 2.4G Two-way Wireless Transmission Technology. The transmission distance can reach to 10 meters(approx 30ft) Advanced Energy-saving Chip. Multi-stage power saving mode, less power consumption.With strong adaptive surface ability, this wireless mouse works fine on many surfaces. Wide Compatibility. Compatible with most system including Windows, Mac and Linux. Fit for Notebook, PC, Laptop, Computer, Macbook and other device. With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing