1.[USB Thermal Printer] - The Transportation Label Printer works with Windows and Mac via USB connection. After connecting the printer to your computer, plug in a micro USB stick to install the driver on your desktop or laptop. 2.[Wireless Bluetooth] - Compatible with a variety of devices, supports Bluetooth, USB, and can run on multiple systems with cell phones and computers 3.[Multiple Label Sizes] - With no ink or toner required, the Bluetooth Thermal Label Printer is a great cost-saving option. It is capable of printing round and rectangular thermal labels from 1.5 inches to 3 inches (40-80 mm) in width, including brand logos, thank you stickers, warehouse labels, bar codes, address labels and shipping labels. 4.[SUPERIOR COMPATIBILITY] - Thermal label printers for shipping packages support all major sales and shipping platforms such as Shopify, Etsy, eBay, Amazon, Poshmark, Wix, FedEx, UPS, USPS. 203 dpi thermal shipping label printers for small businesses make shipping labels easy to read and scan. 5.[Compact Design] - The printer's compact and portable design makes it suitable for desktop and mobile use. It fits easily into any workspace or on-the-go.