This pink mouse loves Hello Kitty! What a great addition for your computer. Lights up in the dark with LED light and is decorated with a silver Hello Kitty graphic on top. Each side is decorated with a small heart and "Hello Kitty" text and stars.Features: System requirements:Windws 98 / 2000 / NT / XP / ME / Vista Compatible Modem: 586/Pentium or above IBM-compatible PC Resolution: 800dpi or above Key Life: Over 10 million times Material: Electronic Components, ABS Product Size: 4 x 2 x 1 1/4 inches.