This wide format shipping label printer has a 4 inch(101.6mm) print width - to offer maximum compatibility with various shipping label software packages. With USB, Ethernet, Wi-Fi and Bluetooth, you can choose to print labels from your PC, Mac, smartphone or tablet, whichever is most convenient. Plus with Apple MFi certification and AirPrint, all your connectivity options are covered. With a range of SDK's (Software Development Kits) for Windows, iOS and Android, the QL-1110NWB can be easily integrated into your own systems and software.