USB Connection Printing:vretti thermal shipping label printer supports Windows,Mac OS,Linux,Chrome OS system, thermal printer connects via USB, easy installation, just download the printer driver from vretti official website and view the related video tutorials, you can complete the setup process in minutes Compatible with Multiple Platforms: The thermal label printer is compatible with multiple sales and shipping platforms, including major shipping partners and markets such as UPS, USPS, eBay, Amazon, Shopify, DHL, Etsy, etc. It can produce labels that meet the required specifications and is a reliable choice for printing needs. High Speed Printing: Our shipping label printer has 203DPI, high printing quality, and fast printing speed, with a printing speed of 152mm/s. It can print 72 labels per minute, which is fast and reliable. The label printer 4x6 has automatic analysis and calibration of your labels, without the need for manual adjustment. In addition, the printing width of this label is 26 mm ~ 116 mm (1 "-4.5"), which can meet your daily printing needs Wide Range of Applications: postage label printing can be used for small businesses, label printers can help you print package labels, address labels, barcode labels, as well as home and office labels. It has a wide range of applications in daily life. Professional After-sales Team: provides print drivers and instructional videos on USB drives for better settings. The VRetti team provides lifelong technical support. If you have any questions about this desktop label printer, you can contact us at any time by phone, email, etc