Product Features: 1. Wide Range Of Use Various Materials, Print Anytime, Anywhere: Airplane Tickets, Paper Cups, Power Banks, Shoes, Etc. 2. Three-Step Printing (1) Download The App (Ptintlab) (2) Turn On The Device, Connect To Wifi, Edit Pictures (3) The Device Receives The Picture And Prints By Sliding The Scroll Wheel 3. Wifi Function, One-Second Printing, No Threshold Operation, Compact And Portable Packing List: Inkjet Printer + Navy Blue Ink Cartridge + Usb Link Line + Manual + Print Head + Packaging Box.