LabelWriter 450 Duo prints impressive address labels, shipping labels, file folder labels, name badges and more, at speeds up to 71 labels per minute. Use the included Dymo Stamps software and your Internet connection to print precise USPS-approved postage directly from your desktop without fees, contracts or monthly commitments. Label printer prints permanent Dymo D1 plastic labels in a variety of sizes and colors for durable labels for your office or workplace. Use included software to print labels directly from text in popular software programs, verify US addresses and ZIP codes, and much more. LabelWriter includes a USB cable, cleaning card, AC power adapter with cable, starter roll of Dymo Stamp labels, one D1 cassette, and a starter roll of address labels. Label printer works with Windows XP or Windows Vista (32-bit, 64-bit) or Mac OS v10.4 or later.