Sengu SG-MG95-N Wireless Optical Bamboo Mouse with USB Receiver for Notebook, PC, Laptop, Computer, Macbook 3 Adjustable DPI Switch: 1600, 1400, 1200, control your own speed freely. No need any driver, plug and play directly (Note: The Battery is not included in the product) Strong Durability and 33ft/10m Long Working Distance. 500,0000 Times keystroke Test and perform well. 2.4GHz Wireless - increased working distance of up to 10m. Wide Compatibility. Compatible with most system including Windows, Mac and Linux. Fit for Notebook, PC, Laptop, Computer, Macbook and other device. Feel-Good Design: Contoured shape and textured natural bamboo grips keep your hand comfortable even after long hours, USB Nano Receiver which can be stored within the back of the mouse. Auto Energy-Saving Sleeping Mode. The Auto Switch Off function will help you save energy as your Wireless Mouse will switch off when your PC is turned off.