Print like a pro at home with the Polaroid Hi-Print 4x6 Bluetooth Photo Printer + 80 Sheet Paper Bundle Easily print digital photos from your phone via Bluetooth with the free Polaroid Hi-Print app Quality 4x6 postcard-size prints brings your memories to life in rectangle: perfect for albums and frames Personalize images with creative effects with the free Hi-Print app. Polaroid Hi-Print Mobile App is compatible with iOS and Android. Printing system is Dye Diffusion Thermal Transfer. Works only with Polaroid Hi·Print 4x6 Paper Cartridge.