The Phomemo M02 Mini Pocket Printer is a compact label maker that uses thermal print technology to produce monochrome prints at a maximum resolution of 304 x 304 DPI. It has a printer speed of 20-45 mm/s and supports paper sizes of 15 mm, 25 mm, and 53 mm. The printer is portable and inkless, making it perfect for on-the-go printing. It is compatible with Android 8.0/ iOS 9.0 or above and can connect via Bluetooth or wireless. The printer comes with a lithium battery that has a capacity of 1500 mAh and a manufacturer warranty of 5 years.