HP Z3600 Wireless Mouse (Pink) Exceptionally portable while formed for natural hand comfort - all within anattractive design Wireless control up to 30ft (10m) away is easy with the small nano USB dongle, that can easilyremain in the computer when not in use The 3 control buttons can be programmed for either right or left-hand operation, whilethe scroll wheel and optical tracking sensor provide for smooth navigation One-year, worldwide parts-and-labor limited warranty 24x7 HP technical phone support during warranty period Uses AA battery (included) Small with support: This tiny mouse is exceptionally portable while formed for natural hand comfort - all within an attractive design. Plug it and leave it: Wireless control up to 30ft (10m) away is easy with the small nano USB dongle, that can easily remain in the computer when not in use and stored. Performance essentials: For right or left-hand operation, the 3 control buttons can be programmed for either, while the scroll wheel and optical tracking sensor provide for smooth navigation Compatible with Windows 7/8/10