Mini Thermal Printer - Pocket-Friendly Compact Wireless Bluetooth Portable Mobile Receipt Printer Compatible with iOS & Android for Photos, Study Notes, Journal, Receipt, Small Gift, Pink How to use: Prints in black and white only. Connect the T02 rechargeable pocket printer to your iOS or Android devices via Bluetooth in the APP by clicking \"not connected\" in the upper right corner of the APP page after selecting the T02 model in the upper left corner, then select some functions to start your wireless black and white printing journey (Find our user manual on the product page) What features are provided in the APP: 9 powerful features for super easy unique customization. Combine text, images, tables, emojis, and QR codes to create unique sticker images. Hundreds of templates and graphics are provided in the APP. OCR and scanning functions make it possible to transfer objects or words in daily life to a digital editable version. In addition, micro lettering, banners, and online web printing are possible in the APP Occasions: The T02 203dpi small wireless printer is suitable for printing black and white photos, notes, records, lots of APP themes in your home, school, and office for students, kids, teachers, handwork, work plans, shopping lists, TO-DO lists, and so on Compact and Portable: Measures only half the size of a phone and weighs 150g, making it easy to put even in your pocket and carry wherever you want. Convenient for kids, teachers to take from home to school or for printing on the go. No ink or toner needed Important precaution: 1. Connect Bluetooth from the APP. 2. No paper warning: even if there is paper in the machine, it still shows \"no paper\". Solution: take out the paper roll, then long press the power button for 10 seconds until you see the green light flashes 2 times. Then put that paper back into the machine again to print normally. 3. The printed content is easy to shift without the paper holder. 4. Find the installation video for the holder on the product page