Comfortable, compact and easy to use, the wireless mouse allows you to work wherever you are. Simply plug the receiver into a USB port on your device and get started in seconds. Its compact shape and smooth cursor control make it ideal for cramped workspaces and cluttered desks. The mouse is durable and reliable and will work for... up to 12 months. Battery life is dependent on usage and computer conditions with no need to change batteries thanks to on/off switch and automatic power saving mode.