This is a GOOJPRT PT-210 portable thermal printer.
It features Bluetooth connectivity, supporting Android, iOS, and Windows devices.
The printer uses direct thermal technology, which is quiet and fast, and does not require ink.
It has a built-in 1500mAh rechargeable lithium-ion battery.
It is small and lightweight, designed for portable use such as printing receipts, bills, and invoices for retail, logistics, and restaurants.