Note:The printer comes with 1 roll of print paper, if you need more, you can buy it separately. APP usage: Androidd downloads Fun print or Iprint in Google Market IOS download Fun print or Iprint in the application market Android version supports Android 4.0 and above, and it is recommended to use system version 5.0 and above IOS version supports IOS 10.0 and above, and it is recommended to use system version 11.0 and above SPECIFICATION: Product Name:Mini Label Printer Color: Blue Material: ABS and PC Paper Type: Thermal Paper Connection: BT/USB Input: 5V,2A Batterys: 3.7V, 1000mAh Product Size:110x80x35mm Paper Size: 57x25mm Roll Diameter: 30mm Resolution: 200DPIAPP Name: Iprint BT Version: 4.0 FEATURES: x 200dpi high resolution printing head and print at a speed of 10mm/s, clear print and stable performance. x 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. x Built-in 1000mAh rechargeable battery, working in low noise, the thermal printer does not need ink cartridge when using, low operation cost. x Record your life, print the scenery you see, record his or her sweet words, collect the exercises you have done wrong, fun and practical. x Lightweight and compact size, easy to carry. Package included : 1x Printer 1x USB Cable 1x User Manual 1x Paper Roll 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.