Xiaomi Portable Mouse Gen 2 is a high-quality wireless mouse with a precise positioning accuracy of 1200dpi. It has a back function key conveniently located on the side for easy access. With an operating range of 10 meters, it is compatible with Chrome OS, Windows 7,8 and 10, and Mac OSX 10.8 and above. Please note that while the design is ergonomically sound for most hand types, it may be more difficult to use for larger hands. In that case, the Xiaomi Mi mouse gold/silver edition would be a better fit.This mouse requires x2 AA batteries (not included) and can last up to 12 months depending on the operating conditions, as long as it is switched off when not in use. The material used is smooth ABS with UV coating to prevent discoloration under direct UV light. It is available in black or white.Gift Store - Corporate Gifts Wholesale Singapore offers the Xiaomi Portable Mouse Gen 2, perfect for those in need of a reliable and efficient wireless mouse.