Zebra ZQ521 Mobile Direct Thermal Printer - Monochrome - Label/Receipt Print - USB - Bluetooth - Near Field Communication (NFC) - Display Screen - Real Time Clock - 990.60 mm Print Length x 104 mm (4.09') Print Width - 127 mm/s Mono - 203 dpi - 113 mm Label Width - ZPL, CPCL Emulation - For PC, Android, iOS