Specification: Product Name: Portable thermistopter printer. Resolution: 20odpi. Print speed: MAX 40mm/s. Printing surface: printed width of 55mm. Consumption width: 55mm x 30mm. Product material: ABS. Networking method: Bluetooth connection. Charging method: USB. Handcraft List Receipt Paper Instant Printer Sticker with 1 Roll Thermal Paper Study Work Office. Features: Mini & Cute Appearance: Small and lightweight body, can be put in your pocket or bag, easy to take it anywhere. 203DPI resolution, super clear printing quality. Suitable for study, office, home and travel. The best gift for students, office workers, lovers, friends, family. All in One Printer: Support multiple functions, it can print photos, labels, messages, lists, records, QR Code, web printing, text recognition and so on. The APP offers a variety of fonts and themes to make your photos stylish. Inkless Printer&Durable: Can record the scenery you see, record his or her sweet words, collect the exercises you have done wrong, fun and practical. working in low noise, the thermal printer does not need ink cartridge when using, low operation cost.