Product parameters: Print parameters:200DPI Printing mode: thermal inkless black and white printing Battery capacity: 1200mA 3.7V lithium battery 2A charging Printing paper: 57X25mm/57X28mm/57X30mm, original printing paper shall be purchased for easy replacement Connection mode: Bluetooth wireless, no ink, black and white printing Language specification: The current APP version supports these languages: English, French, Italian, Spanish, German, Greek, Russian, Polish, Japanese, Korean, Thai, Chinese Traditional and Portuguese. Factory standard configuration: host+charging line+manual+1 roll of printing paper APP usage: Androidd downloads "Fun print"or "Iprint" in Google Market IOS download "Fun print" or "Iprint"in the application market Android version supports Android 4.0 and above, and it is recommended to use system version 5.0 and above; IOS version supports IOS 10.0 and above, and it is recommended to use system version 11.0 and above; Product list. Printer*1 Print paper *1 Instruction manual *1 Charging cable *1 Packaging box *1