We do so much via mobile device these days that its good to know theres a 600dpi scanner thats specifically designed to complement smartphones and tablets the rechargeable ds 820w syncs whatever you scan to your chosen mobile device and also offers a 4gb sd card and built in wireless connectivity compatible with windows and mac the ds 820ws professional software bundle also helps you manage and manipulate all the scanned data in a whole host of ways in short this flexible and trul