Works with any Direct Thermal Label including free UPS labels – save hundreds of dollars on label costs – don’t fall victim to our competitor’s business model that forces you to buy their highly over-priced proprietary labels High Speed Printing at 150mm/s – nearly twice as fast as the closest competitor. Advanced Thermal Direct technology prints without requiring toner or ink. Compatible with all major shipping platforms including Fedex, UPS, USPS, Rollo Ship Manager, ShipStation, ShippingEasy, Shippo, ShipWorks, and market places including Shopify, Etsy, eBay, Amazon, and others. Compatible with Windows and Mac Rollo offers 5-star U.S. based customer service via Phone, Email, and Remote-Desktop. Easy to setup with short how-to videos. High-speed label maker prints labels from 1.57″ to 4.1″ wide with no restriction on the height of the label, ideal for 4″ x 6″ shipping labels, warehouse labels, barcode and ID labels, bulk mailing labels and more