Epson, tm-t88vi-i, intelligent thermal receipt printer, Ethernet, serial and usb interfaces, Epson black, includes adapter v. Connectivity Technologies: Built-in USB Serial Ethernet (10/100Base-T/TX)|Connector Type: USB Type A Connector x1 USB Type B Connector x4 RJ45 x1 DB9 Male x1 DKx1 3 Pin Mini Din Female X1|Wireless (Requires USB wireless dongle) OT-WL05 (802.11 a/b/g/n 2.4G/5G) or OT-WL02 (802.11 b/g/n 2.4G)|Beacon (Requires Bluetooth Low Energy dongle) Beacon dongle|3|(Epson-approved dongle: Laird model BT820)|Printer Discovery NFC (Near Field Communication)4 Simple AP (wireless network)|Communication Protocols ESC/POS ePOS-Print Service (Ethernet/Wireless) Server Direct Print (Ethernet/Wireless)