1[Portable Bluetooth Thermal Printer] Print documents wirelessly on the go with this compact thermal printer. Enjoy the convenience of portable printing. 2[Fast and Easy Printing] With a 203dpi resolution, this printer ensures crisp and clear prints. Simply connect via USB or Bluetooth to print from your smartphone, tablet, or computer. 3[Versatile Paper Sizes] Print on various paper sizes including Letter, A4, A5, and more. This printer supports paper widths from 57mm to 216mm, making it suitable for a range of printing needs. 4[Thermal Inkless Printing] This printer utilizes thermal inkless printing technology, resulting in black and white prints that are long lasting and smudge resistant, more eco friendly. 5[Rechargeable Battery Powered] The printer is powered by a rechargeable lithium battery, allowing you to print on the go without the need for a power outlet. Stay productive wherever you are.