*ONLINE ONLY - Allow extra time for delivery. Ship to store FREE! During checkout select ''Store Pick-up'' as your delivery option.* With 2.4 GHz Radio Frequency technology provides you with wireless convenience for up to a 30-ft range. Vertical orientation and a contoured shape that provides a uniquely comfortable user experience. wrist-friendly contour support will hold your hand in a healthy handshake position which is the neutral position of your forearm. Two internet buttons are conveniently located on the side of the mouse for Back and Forward page browsing. The 800/1200/1600 switchable DPI button on the top provides three levels of mouse cursor speed that is useful in different environments. workS on most glass, wood, marble, and leather surfaces without a need of a mouse pad. Simply plug the USB Receiver into any available USB port and be ready to enjoy the freedom of a comfortable and wireless mouse experience!