Description: 2.4GHz Wireless Cordless Optical Scroll Mouse With USB Dongle Features: - 2.4GHz wireless transmission up to 10 meters operating distance. - Built-In mouse memory, no recording is needed after battery replacement. - With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing. - Intelligent connectivity, no need to code, plug-and play. - Ergonomically designed, comfortable grip. - 800/1600dpi, adjustable cursor speed - With On/Off power switch. - Low power consumption, so one AAA Alkaline battery should last up to six months. - Low voltage alarm function. - USB Micro-receiver included. - Clean & modern design. - Ideal laptop companion for home and office use