Product Description Add a flair to your workspace with our unique image and pattern design! ---Powered by 2 AAA batteries (not included). 1 item per order. Size Measure 0.8 x 4.5 x 2.3 Inches. Weights: 60g. ---Nano USB receiver included. Located inside the battery compartment under the mouse. Plug-and-play. No driver needed. ---Compatible with most system including Windows, Mac and Linux. System Requirements: USB port (2.0) 2.4GHz wireless technology provides a powerful and reliable connection up to 33ft/10m, slim ergonomic design and smooth surface gives you a smooth, and comfortable operation for extensive time of use. MSD wireless mouse is lightweight, perfect for carrying and can be easily stored in your laptop bag.