Experience new levels of productivity with the Adesso iMouse M20B 2. 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, Enjoy working at any angle and at a distance of up to 30 feet, Adjustable DPI Switch: Quickly and easily adjust DPI resolution (800/ 1200/ 1600) for a faster response with the convenient DPI Switch located at the top of your mouse, Ergonomic Design: The iMouse M20 ergonomic design provides a comfortable grip and eliminates hand strain, while giving great cursor control, Battery-Saving: Use the battery-saving on/off power switch on mouse base to extend battery life and reduce the need to change batteries, Internet Navigational Buttons: Two 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. WHAT'S INCLUDED: iMouse M20B - Wireless Ergonomic Optical Mouse, Mini USB Wireless Receiver. DETAILS: 2.9"H x 4.5"W x 1.5"D, Weight: 3.2-oz., Requires 2 AAA (Included), Connectors: USB Port for mini 2.4 GHz wireless receiver, Compatible with Windows 8/ 7/ Vista/ XP, Wireless: 2.4 GHz Radio Frequency Wireless Technology, Wireless range: 30 feet, Manufacturer's 1-year limited warranty. For warranty information please click here - https://cs.kohls.com/app/answers/detail/a_id/140, Model no. IMOUSEM20B,. WARNING: This product can expose you to chemicals including Polybrominated biphenyls, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov - https://www.p65warnings.ca.gov/. Size: One Size. Color: Multi. Gender: unisex. Age Group: adult. Material: NONE.