Portable usb scanning pens with built-in Lithium-Polymer battery from Planon Systems is the DocuPen Xtreme X-series line of scanning pens, including the X05, X10 and X50. They offer image resolution up to 600dpi (1200dpi for model X50).
The portable scanning pens have a 200MHz processor and 64MB of memory. The device also support micro-SD cards.





















