Features: 1.Wide Compatible: Thermal printer supports BT4.0 function, supports for Android, for iOS and for Win, convenient for you to print data in your device wirelessly 2.90mm or s Fast: Print speed is up to 90mm or s, clear printing auto sleep, auto wake up, power saving, to meet your needs 3.Small and Practical: Thermal printer supports smartphone control for easier operation. Direct thermal printer is smaller and quieter 4.2000mAh Rechargeable: Receipt thermal printer has built in 2000mAh high capacity rechargeable lithium battery, can provide long working hours 5.Scope of Application: Thermal label printer is suitable for cab ticket printing, receipt printing, management fee receipt printing, restaurant information printing, etc specification:Item Type: Thermal Printer Material: ABS BT Version: 4.0 Interface: Micro USB Printing Method: Thermal Printing Print Speed: 90mm or s Resolution: 203DPI (8dot or mm) Print Width: 48mm or 1.9in (384dot) Paper Width: 580.1mn Life Cycle Time: 100Km Battery Type: 2000mAh lithium Ion Battery (built in) Voltage: 100 to 240V PackageList: 1 x ThermalPrinter 1 x Thermal Paper 1 x Power Adapter 1 x Charging Cable 1 x User Manual NoteShipped with Built in Battery