Bluetooth 5.0 compatible 2.4GHz wireless mouse, model S9. Wireless mouse Wireless mouse Compact, ultra-thin, and silent. 2.4GHz 800/1200/1600DPI high precision, energy-saving mode, convenient to carry, with 7-color light Compatible with Mac/Windows/Surface/Microsoft Pro I opened it, but it didn't fit my hand, so it's unused and in good condition. Please contact me if you have any other questions or if you'd like to negotiate the price.