With Brother PocketJet 7, you can print fasterup to 8 pages per minute from virtually anywhere and any mobile device. Prints on 8.5 wide media such as cut sheets for letter and legal size documents, continuous roll paper for longer printouts and perforated roll and fanfold paper. Fast mobile printing - up to 8 ppm (pages per minute). Low maintenance costs - no ink or ribbons to replace. Compact size fits in places where space is limited. Direct thermal technology is less susceptible to temperature and humidity extremes. Operating Systems Supported: Windows XP/Vista/7; Mac OS X v10.8/ 10.9/ 10.10; Linux (via USB); Windows Mobile; Android 1 year limited warranty by Brother.