Brother PJ-773 is a very compact mobile printer with wifi . Make prints at any location with a resolution of 300 dpi . This way, field workers can easily print an invoice or contract at the customer. Frequently used documents can be saved. The portable printer does not require ink; the print appears by heat on the thermal paper. Choose from A4 sheets or a paper roll with holder. The PocketJet can be connected via USB to your laptop or via wifi to your Android or iOS smartphone or tablet (including support for AirPrint, Cloud Print, Wi-Fi Direct and the Brother app).