Feature 1Bluetooth 4.0: The mini thermal printer supports bluetooth 4.0 and supports for Android, for iOS and for Windows, making it easy to print data from your device wirelessly. 2Superior Performance: A4 portable thermal printer is small and portable, start to print, 203dpi resolution, advanced thermal printing technology, clear printing, long storage time (more than 5 years). 3Mobile Phone Control: Mini thermal printer supports smartphone control, which is easier to operate and improve work efficiency. When fully charged, 200 sheets of A4 paper can be printed continuously. 4Long Battery Life: A4 portable thermal printer has a built in 2600mAh high capacity rechargeable lithium battery, which can provide long term operation. 5Extensive Support: Thermal printer supports downloading for IOS and for Android APP. Support printing PDF or Word documents, web pages, photos, contracts, test papers, etc.Item Type:ThermalPrinterMaterial: ABSBluetooth Version: 4.0Interface: Type CPrinting Method: Thermal PrintingResolution: 203DPIPaper Type: A4 Thermal Paper (With Tailor Line)Print Width: 210mm (Roll Paper)Working Voltage: DC 5V 2ABattery Type: 2600mAh Lithium Ion Battery (Built In) Package List1 x Printer1 x Charging Cable1 x Instruction Manual1 x A4 PaperNoteIt can be charged with USB charging cable, or it can be used with a 5V 2A charging adapter (not included).