Convenient for Your Life: With compact size - 280x95x50mm, 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. All in One Printer: Perfect to print anything you want, PDF file, test paper, webpage, contract, photo, picture, etc. 30mm/s printing speed satisfy businessman to print loads of paper during business trip, an excellent assistant for study and office work. Inkless printing, no need of ribbon. A4 and 4-inch Printing Size: Equipped with a clip to adjust paper width, available to print 210mm and 110mm thermal paper, excellent to print documents, daily plan, memo and so on. Powerful & Durable: Built in 2600mAh large capacity lithium battery, support print 125 sheets of A4 paper after a full charges; Premium print head can run up to 50km (about 160 thousands A4 paper). Wireless & Wired Connection: Support to connect with mobile device by bt function, download "Hiprint" APP in APP store(iOS) or Google Play (Android); And able to download driver and connect with pc or computer by bt function or USB connect for printing, easy to operate. (Note: Only Bt connection isnt supported on MAC currently, USB connection is preferred)