203DPI High Printing Resolution150mm/s High-speed Printing Speed - The customized print head can stably print 150,000 standard labels; Advanced thermal direct printing technology -No need any Cartridges or ink. Quick InstallationGreat works with All Windows and Mac computer systems.DO NOT SUPPORT: ChromeOS /Linux system, Surface tablets, iPads and Mobile Phones. One Click set up in one minutes,avoid cumbersome operation.