Zebra ZD621 Desktop Thermal Transfer Printer - Monochrome - Label/Receipt Print - Ethernet - USB - Yes - Serial - Bluetooth - Near Field Communication (NFC) - US - 4.3" LCD Yes - Real Time Clock - 4.25" Print Width - 5.98 in/s Mono - 300 dpi - 4.65" Label Width - 39.02" Label Length - EZPL, ZPL, EPL, ZPL II, EPL2, XML, ZBI Emulation - For iOS, PC, Android: