Feature 1 PORTABLE PRINTER: Light in weight make the printer easily placed in a bag, making it easy to carry. Whether it's work, family, outdoor, or travel, it can provide you with the convenience of using it anytime and anywhere, allowing you to handle work anytime and anywhere. 2 WIRELESS PRINTER, LONG STANDBY: The wireless printer adopts HD printing technology and a large battery design, providing clearer printing for your needs. At the same time, it is equipped with a 2600mAh battery that can be standby after charging. The printer can print 400 sheets of American stationery at once, meeting most needs. At the same time, you can also set the automatic shutdown time to save as much power as possible. 3 SUPPORT 7 PRINT SIZES: Our thermal printer supports thermal roll paper and thermal folding paper, US Letter and Legal, A4, A5, 2, 3, 4in (width 216, 210, 107, 77, 57mm) thermal paper, and various print sizes can meet your printing needs. 4 INK FREE, LOW NOISE AND ENVIRONMENTALLY FRIENDLY: The mini printer uses thermal sensitive technology, without the need for ink, toner, or ribbons, ink related blockage and cleaning issues, and no need to replace any ink, making it convenient and environmentally friendly. Simply replace the thermal paper. Also quieter than traditional printers. 5 HIGH COMPATIBILITY, SUPPORTS COMPUTERS AND PHONES: BT printers can be used with wireless BT smart devices in for IOS and for Android systems, or can be connected to laptops and computers through USB C to print the files you need. It can be set within 2 minutes after unpacking.Item Type: Thermal Printer Material: ABS Battery: 1 x 7.4V, 2600mAh rechargeable lithium battery (shipped with built in battery)Communication Interface: USB BTClarity: 203dpiApplicable Printing Paper Width: Approx. 57 to 216mm / 2.24 to 8.5inPrinting Method: Thermal, inkless printingImaging Method: Black and white Package List1 x Printer 1 Roll x Printing Paper (Built in to printer)1 x USB Cable 1 x Manual NoteMini printer warm reminder:1. When using the printer, please pay attention to incisive areas to avoid scratches.2. Please keep the printer away from children!3. When printing with a smartphone, please download the app in advance and install the driver on your laptop first.