Feature:1. Advanced thermal printing technology, no ink cartridges, convenient and economical.2. 200dpi high-resolution print head, with clear printing and stable performance.3. Support a variety of functions, you can print photos, labels, messages, lists, web page printing, etc.4. Can be used to print the scenery you see, record his or her sweet words, collect mistakes, interesting and practical exercises.5. Small size, easy to carry and store, convenient to use and with good performance.Specification:Item Type: Mini PrinterModel: C6Material: ABSConnection: Wireless Bluetooth 4.1Resolution: 200dpiPrinting Paper Width: Approx. 57mm or 2.2inDiameter of Printing Paper: Approx. 30mm or 1.2inBattery Type: Built-in 1000mah lithium batteryHow to Use: 1. Long press the power button for about 3 seconds to turn on or off 2. Double-click the power button to automatically print out the QR code after booting, scan the QR code to download and install the APP, register and log in to the account 3. Turn on the Bluetooth of the mobile phone, enter the APP, connect to the printer in "My Device", and then print the paper strip after success..Package List:1 x Printer1 x Printing Paper1 x Data Line1 x User Manual