Mini Size: You can easily put it in your pocket or a bag, convenient to carry on and use it anytime, anywhere Thermal Inkless Printing: Convenient to quickly printing different black and white images. No need for ink cartridges or consumables Color The Photo: Children can paint the photos with their colored pens to stimulate their imagination and creativity Wide Application: It can be used to print QR codes, scrapbooks, journals, storage labels, lists, memos, photos, etc Nice Gift: It's also a practical gift for kids, students, families and friends Specification: Effective printing width: 48mm Print head resolution: 203DPI Print speed: 10mm/s±15% Communication interface: Bluetooth 4.2 Data transmission method: Send and print Charging interface: Type-C Charging parameters: 5V 1A Battery capacity: DC 3.7V 1000mAh Supported consumable width: 53mm