Zebra ZD421 Desktop Thermal Transfer Printer - Monochrome - Portable - Label/Receipt Print - USB - Yes - Bluetooth - Near Field Communication (NFC) - US - Real Time Clock - 4.25" Print Width - 4.02 in/s Mono - 300 dpi - 4.41" Label Width - 39.02" Label Length - ZPL, EPL, ZPL II, EPL2, XML, ZBI Emulation - For iOS, Android, PC: