Features: Adopt thermal printing technology, no ink cartridge, convenient and cost saving. 200dpi high resolution printing head, clear print, stable performance. Small and compact size, easy to carry. Open the cover to install the paper roll, connect with your devices through BT and start to use it. Built-in 1000mAh battery, long endurance time, can work for a long time. Wide application, it can be used to print notes, errors, timetable, memo, articles, pictures, receipts, labels, etc. Specification: Name: Portable printer Color: Green or Pink(optional) Printing method: Thermal printing Connection mode: BT Definition: 200dpi Printing paper size: 57x25mm Charging interface: 5V Micro USB Battery capacity: 1000mAh Item size: 8 x 8 x 3.8cm or 3.15 x 3.15 x 1.5in Item weight: Approx. 151g or 5.33oz Packing list: 1 x Printer 1 x Charging cable 1 x User manual 5 x Rolls of self-adhesive printing paper 6 x Rolls of thermal paper(1 roll has been installed in the printer) 3 x Rolls of color printing paper 5 x Pens Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.