Features: 200dpi high resolution printing head and print at a speed of 10mm/s, clear print and stable performance. Support multiple functions, it can print photos, labels, messages, lists, records, QR Code, web printing and so on. The APP offers a variety of fonts and themes to make your photos stylish. Built-in 1000mAh rechargeable batterys, working in low noise, the thermal printer does not need ink cartridge when using, low operation cost. Record your life, print the scenery you see, record his or her sweet words, collect the exercises you have done wrong, fun and practical. Lightweight and compact size, easy to carry. Specifications: Color: Pink/Blue(optional) Material: ABS PC Paper Type: Thermal Paper Connection: BT/USB Input: 5V,2A Batterys: 3.7V, 1000mAh Paper Width: 57mm Roll Diameter: 30mm Resolution: 200DPI Packing List: 1*Printer 4*Paper Roll 1*USB Cable 1*User Manual Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.