Small size with built-in 1200mAh battery that you can take it anywhere, easy to carry, USB bluetooth printer,High quality print roller, clear print and stable performance,Mini printer use 203dpi high resolution printing head and 5V interface, which makes your printing quality more outstanding.Lovely appearance?It is an ideal gift for girl or boy's birthday, party, Christmas, Easter... Install "iPrint" APP Search and download the "iPrint" APP from the Apple store or Google APP market over mobile phone, tablet, or computer. Press the POWER/SET key on the left side of the Pocket mini printer for more than 3 seconds to turn on the power, and the power LED will be blue. Select various functions on the APP to print in various ways, For example: Photograph, diary, Temperate, Character Recognition, Document,Web pages,Click "Print" in the lower left corner to print.1.Press the latch on the right side of the mini printer?then open the cover. 2.Replace the thermal paper and pull out a small piece of paper to install the paper correctly. 3.Close the printer of cover, press the POWER/SET key more than 3S to turn on. 4.Link smart phone by Bluetooth, Select your favorite content then print them