Just plug in, type and print, it's that easy. LabelManager PnP label maker is connectable by USB, so you can label directly from your PC or Mac, with power cords, power adapters and batteries no longer needed. There's no software to install because it's already built-in and pops up ready to use on your computer screen. You can customize your labels with any fonts or graphics on your PC or Mac, and editing your text and managing your label layouts has never been easier. LabelManager PnP uses DYMO D1 labels in 1/4" , 3/8" and 1/2" widths. Compatible with Windows XP, Windows Vista, Windows 7 and Mac OS v10.5.8 or later.