BIXOLON SPP-L310 3" Mobile Label Printer. USB+Serial+Bluetooth. Providing on-the-go label printing advances with its compact lightweight and durable design. - Black mark and gap sensor as standard. - Emulates ESC/POS ZPL and CPCL command languages. - Robust design with 2.1 m / 7 ft. drop rating and IP54 sealing - Compatible with all major operating systems including Android iOS Windows and Linux - Bluetooth V4.1 Classic & LE USB and Serial interfaces - Up to 5 ips (127 mm/sec) printing speed - 80 mm and optional 58 mm media width. Media roll diameter up to 49 mm