The Rollo USB Shipping Label Printer is a commercial-grade 4x6 thermal printer designed for professional use. With its maximum resolution of 203 x 203 DPI and 8-bit grayscale and color depth, this label printer can produce high-quality black and white prints at a fast black print speed of 60 ppm. It features a USB 2.0 connectivity for easy setup and use, and a compact design that makes it portable for on-the-go printing. The Rollo X1038 model is perfect for businesses that need to print a large volume of shipping labels efficiently and reliably.