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( ER-58AI ) 58mm 2inch bluetooth printer
? Special for Electricity Bill/Water Bill/Post Bill.
? V0 grade fireproof material PC/ABS.
? Safe durable lithium-ion battery.
? Reliable Bluetooth.
? Dual ports for charging, non-worry on one broken port.
? Excellent print quality, ultra-low noise.
? LED lights to indicate Charging/Paper/Power/Bluetooth connection status.
link:https://www.eastroyce-pos.com/mobile-printer/mobile-receipt-printers/bluetooth-printers.html
2inch bluetooth printer for postal receipt printing in Vietnam