All kinds of injection colors or rubber coating colors available With colorful retractable cable Easily get online to send and get your emails Intelligent internet functions Zoom in and zoom ort functions Buttons life over 1,000,000 times USB and U+P combo port available Resolution 400dpi or 800dpi Working on any surface except glass surface Compatible with Win95, 98, 2000, ME, XP, NT If you are interested it, please feel free to contact us via mary (at) pingqing.com.