Pentax PocketJet 3 200-DPI Mobile Printer with Integrated USB/IrDA Full-page portable printing, no ink cartridges or toner needed Prints up to 3 ppm at 203 x 200 dpi Maintenance-free mechanism with few moving parts Ultra-lightweight at only 1.12 pounds with long-life NiMH battery IrDA and USB 1.1 interface; Windows, Mac, Linux, and Palm OS compatible