Cool Print Custom The Lord of the Rings Wireless Mouse Suitalbe Girl's 2.4 GHz -3 Adjustable DPI Levels - Nano USB wireless receiver For Windows, Mac and Linux Feel-good design: Contoured shape keep your hand comfortable even after long hours Slim, ergonomically-designed 2.4 GHz wireless mouse ideal for home or office use Fashion Computer mouse. DIY pictures custom printed mouse Powered by two AAA battery (not included)