Bisofice A4 Bluetooth Thermal Printer All in One Printer - PeriPage A40 mobile printer, ideal for printing PDF files, test papers, websites, contracts, photos, images, etc. An excellent helper for studying and office work. Supplied with 1 roll of thermal paper, ready to print after receiving the package. Multiple Printing Sizes - With 2 clips to adjust the width of the paper slot, the A40 thermal printer now supports 210mm / 107mm / 77mm / 56mm thermal paper width (A4/4 inch/3 inch/2 inch), different paper sizes to meet your printing needs on many occasions. The use of paper in rolls and folding paper is also supported. Convenience for your life - compact size - 265 x 80 x 45 mm. Built-in 2 2600mAh batteries, which can print continuously for 3 hours after full charge, long standby time of 90 days, perfect for business trip, school, etc. Premium Print Quality - The A40 printer is equipped with a print head that has a lifespan of over 50 km and approx. 168000 sheets of A4. Advanced thermal printing technology is used, no ink cartridges or consumables required, energy efficient and environmentally friendly.