Epson, tm-t88vi, thermal receipt printer, Epson black, s01, Ethernet, usb & serial interfaces, ps-180 power supply and ac cable. Operating System: Microsoft Windows (APD OPOS OPOS for .NET JavaPOS) Mac OS X Linux (CUPS JavaPOS)|Microsoft Windows 8.1 / iOS / Android (ePOS-Print SDK); Power Consumption: Operating: Approx. 1.8A (mean)|Stand-by: 0.5W; Connectivity Technologies: Built-in USB Built-in Ethernet (10/100Base-T/TX) + UIB (Serial Parallel Powered USB)|Bluetooth 2.1+EDR (dedicated model)|Wireless (USB wireless dongle): OT-WL05 (802.11 a/b/g/n) or OT-WL02 (802.11 b/g/n)|Beacon (using Bluetooth Low Energy): Beacon dongle|3|(Epson-approved dongle: Laird model BT820)