The DYMO LabelWriter 450 Twin Turbo features two rolls of labels ready to print at all times–enhancing efficiency by allowing you to print address labels and postage without swapping label rolls–and prints up to 71 four-line standard address labels per minute for maximum productivity. Create and print address, shipping, file folder, and barcode labels, plus name badges and more–all without the extra work and hassle of printing sheet labels on a standard desktop printer. *Compatible with Windows 7 or later and Mac OS X v10.8 or later. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Mac and OS X are trademarks of Apple Inc., registered in the U.S. and other countries.