Product information:
Power supply: 5v = 1A
Interface: USB interface
Size: 82 * 40mm
Material: Plastic
Print parameters: 200dpi
Printing method: thermal ink-free black and white printing
Battery capacity: 1200 mA
Printing Paper: 57X30mm
Connection method: Bluetooth wireless ink-free black and white printing
Size: 8.2*8.2 * 4CM