With 2.4 GHz Radio Frequency technology, the Adesso iMouse E10 provides you with wireless convenience and the freedom of a smooth connection for up to a 30-foot range without tangled cables. This iMouse E1 ergonomic mouse is designed with a vertical orientation and a contoured shape that provides a uniquely comfortable user experience. With this wrist-friendly contour support, you will hold your hand in a “handshake position” which is the neutral position of your forearm. This feature prevents your forearm from twisting when using this vertical ergonomic mouse. Featuring three ergonomic buttons that are located conveniently on the side of the mouse allowing seamless back and forth browsing. The 1000/1500/2000 switchable DPI control provides three levels of mouse cursor speed that works in different environments. The advanced optical sensor technology keeps the mouse precisely on point and lets you work on most glass, wood, marble and leather surfaces without a mouse pad. Finally, the iMouse E1 is plug and play and requires no drivers. Simply plug it into any available USB port and be ready to enjoy a different kind of mouse experience!2.4 GHz Radio Frequency Wireless TechnologyThis mouse works at any angle with a range of up to 30 ft. with no wires to get tangled. The On/Off switch helps conserve battery power plus the low battery indicator helps you know when it is time to change batteries.Ergonomic Vertical DesignThe vertical design provides better support for your forearm minimizing wrist pain that can come from twisting.Back & Forward Button for ConveniencyTwo Internet navigational buttons, back and forward, are conveniently located on the left side of mouse to provide you with Internet browser control with minimal hand movement.DPI Switch ButtonQuickly and easily adjust DPI resolution (1000/1500/2000 DPI) for a faster response with the convenient DPI Switch located right beside your thumb.Battery-SavingUse the battery-saving on/off power switch on mouse base to extend battery life and reduce the need to change batteries.

iMouse M20R - Experience new levels of productivity with the Adesso iMouse M20R 2.4 GHz RF Wireless Ergo Mouse. This 2.4 GHz Radio Frequency wireless mouse offers you 30 feet of wireless freedom and eliminates the constraints wired mice often cause. Its optical sensor tracking method lets you work on any surface with better speed and accuracy. In addition, the mouse includes three distinct levels of DPI resolution (800/ 1200/ 1600) for precise targeting (800 DPI), quick response (1200 DPI) or fast maneuvers (1600 DPI). Easily switch between these DPI resolutions with the DPI Switch button located on the top of mouse. All these features, along with its ergonomic design, provide great control, response and comfort with minimal hand movement.