1、Convenient for Your Life: With compact size - 291x100x62mm, great for carry to business travel, school etc. Free to edit and print in your mobile, independently developed App provides plenty of Templates and patterns and icon materials for you to edit your file/picture/poster/list, etc. 2、All in One Printer: Perfect to print anything you want, PDF file, test paper, webpage, contract, photo, picture, etc. Wireless to print loads of paper during business trip, an excellent assistant for study and office work. Inkless printing without ribbon. 3、A4 Printing Size: Available to print 210mm thermal paper, excellent to print documents, daily plan, memo and so on. Comes with a roll of thermal paper, print as soon as you receive the product, no need to buy extra printing consumable. 4、Powerful \u0026 Durable: Built in 1500mAh large capacity lithium battery, can print 200 sheets of A4 paper after a full charges; Each paper roll can print 45 sheets of A4, no need of frequent replacement. 5、Wireless \u0026 USB Printing: Support connect with mobile device by bt function, Scan the QRcode on the manual to download the APP, convenient you to edit your file/picture/poster/list, etc. And you can download driver and connect with pc or computer by bt function or USB connect for printing, easy to operate.