Features:2.4GHz wireless transmission up to 10 meters operating distance.Auto frequency hopping rated operation.Intelligent connectivity, no need to code, plug-and play.Ergonomically designed, comfortable to grip and use.DPI adjustable.Powered by 2 * AAA battery (not included), low power consumption.High quality, decent and modern design.Compact and lightweight, the USB receiver can be pluged into the back of the mouse, easy to carry.Ideal laptop companion for home and office use.Specifications:RF Carrier: 2402-2480MHzRF operation channel: 16Operation range: 0-10mOperation systems: Windows 10, 98, 2000, XP, Vista, Mac OS or laterOperation current: 15mA, 1.5VUSB: USB 2.0Power: 2 * AAA battery (not included)Ultra Slim Optical 2.4G Wireless Mouse Mice Portable Ergonomically DPI Adjustable 3D USB Receiver for Laptops & Computers (Black)