Portable Instant Thermal Wireless PrinterThis mobile printer is ideal for printing PDF files, test papers, webpage, contracts, photos, pictures, etc. an excellent assistant for study and office work. Multiple Printing Sizes With 2 clips to adjust the paper slot width, the A40 thermal printer supports 210mm 107mm 77mm 56mm (A4 4" 3" 2") width of thermal paper now, different sizes of paper to meet your printing needs on multiple occasions. And support us with roll paper and folding paper as