Easy to install and 5 dpi adjustable switch: no need any driver, plug and play. 5 dpi switch (800, 1200, 1600, 2000, 2400) to change mouse speed freely.2.4G Wireless Transmission: 2.4GHz Wireless - Safer and more precise experience than traditional FM radio system with increased working distance of up to 15 meters.Wide compatibility. Compatible with most systems including Windows, Mac and Linux: Reliable wireless connection with nano-receiver that can stay in your laptop.WELLNESS DESIGN: Contoured shape and textured rubber grips keep your hand comfortable even after long hours, USB Nano receiver which can be stored in the slot on the back of the mouse.Long battery life and automatic detection of energy saving in sleeping mode: up to 15 months of battery life virtually eliminates the need to change batteries. Battery life varies depending on user and computer conditions. Auto-off feature will help you save power as needed as your wireless mouse turns off when your computer is off or the receiver is disconnected