Feature 1 INKLESS PRINTING: This portable printer supports thermal inkless printing without the need for any cartridge, ribbon, or ink, making it convenient and practical. 2 A4 PAPER SIZE: This wireless remote printer supports A4 paper printing, and can print small strips of paper and long banners, meeting various printing needs. 3 GOOD COMPATIBILITY: Support for OS X and for Windows laptop, for iOS and for Android phone (with WIFI), download for Tiny Print app, and print anytime, anywhere. 4 LONG ENDURANCE: Built in 2500mAh lithium battery, fully charged in about 4 hours, continuously printing 400 A4 papers, automatic shutdown without use for 30min, standby time up to 60 days. 5 PORTABLE SIZE: The WiFi thermal printer has a compact size that can be easily placed in a backpack or briefcase, making it suitable for use at home, school, and office.Item Type: WiFi Thermal PrinterAPP: For Tiny PrintConnection Method: WiFi ConnectionResolution: 200dpiCharging Interface: Type CPrinting Method: Thermal Inkless PrintingImaging Method: Black and WhitePrinting Paper Specification: A4Battery Capacity: 1 x 2500mAh Rechargeable Lithium Battery (built in battery)Size: Approx. 291 x 100 x 62mm / 11.5 x 3.9 x 2.4in Package List1 x Host1 x USB Cable1 x User Manual1 Roll Printer Paper (Built into Printer)