USB 2.0, USB Host, Ethernet, Serial, Bluetooth 4.1, 802.11ac & Auto-Cutter with LCD Display. ZD620t Direct Thermal/Thermal Transfer Printer including 203 DPI, USB 2.0, USB Host, Ethernet, Serial, Bluetooth 4.1 & Wireless 802.11ac Connections, Auto-Cutter, LCD Display and Power Supply with US Power Plug.