Feature 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 US 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.Item Type: Bluetooth Thermal PrinterMaterial: ABSBattery: 3.7V Lithium Battery x 1 (Included)Communication Interface: USB BTResolution: 203dpiSupported Paper Width: 57-216mmPrinting Method: Thermal Inkless PrintingImaging Method: Black and WhitePrint Specifications: US Letter, A4, A5, 2, 3, 4in (Width: 216 210 210 107 77 57 mm) Thermal Paper .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Bluetooth Thermal Printer1 Roll x Printing Paper (Built in Printer)1 x USB Cable1 x User Manual