1,Print speed: 250 mm / sec 2,Interface type: serial + USB + LAN 3, Low noise and high printing speed thermal printer ... / line or 512 / linePrint speed: 250 mm / secInterface type: serial + USB + net exportPrinting paper paper width: 79.5 + / - 0.5 mm ... (Seiko) and Bluetooth module imported from USA are with high reliability and long life.,4. Market USA, Canada, Bolivia,Ecudor, Colombia, Argentina ...