Features:PeriPage Mini Printer: Support Wireless BT connected with smartphone and USB cable connected with PC. Compatible with Android iOS Windows System. Please follow the user guide to download relative APP PeriPage on your smartphone, you can print anytime and anywhere when they connect successfully.Support 3 Paper Sizes: Support 107mm/77mm/57mm thermal paper width, 30mm roll diameter. Users can use different width of printing paper according to their needs, and no longer worry about the limited print size. More content, more choice.Various Function Print You Like: Support printing notes images, photos, labels, messages, lists, barcodes, QR codes, hand drawing, OCR text recognition, banners, wrong questions, files, webpage printing, AR photo and so on. The APP offers a variety of emoticons and themes to make your content stylish, fun and practical.Thermal Printing Head: Adopts high quality Japanese original printing head, 304DPI resolution, good and clear printing effect, surpass the similar products on the market. The printer does not need ink cartridge when using, low operation cost.Built-in Battery: Built-in rechargeable lithium battery, working in low noise. Portable and lightweight, it can be put in your bag, easy to take it anywhere. The best gift for students, office workers, lover, friends, family.