Paper Width: 1.54"-4.1"; 4"x6", 3"x2", 3"x1", 2"x1", 2-5-16" x 4" inches

Bluetooth Thermal Shipping Label Printer, Wireless 4×6 Shipping Label Printer for Shipping Packages, Support Android, iPhone and Windows, Widely Used for Amazon, Ebay, Shopify, Etsy, USPS