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( ER-A4PB ) mini a4 printer
* Mini size, easy to carry
* Built-in rechargeable battery, no need to plug in
* Low noise, clear printing
* A4 size thermal paper, 30mm diameter roll design
* Bluetooth+USB connection, print anytime.
link:https://www.eastroyce-pos.com/mobile-printer/portable-a4-printers/mini-a4-printer.html
mini a4 printer for printing documents on the go