This is a NETUM NT1809 Bluetooth Receipt Printer, a portable 58mm mini thermal printer that supports black and white output type. It has a high-speed black print speed of 90 mm/s and uses thermal technology to print on 58mm paper size. The printer is compact and easy to carry, making it ideal for mobile payments, online shopping, and other on-the-go printing needs. It connects via Bluetooth and has a power supply of 5V/2A. The printer comes in black color and is from the Netum brand.