Resolution: SD 203dpi BtVersion: 4.0 Mini PrinterWeight: 160 g/0.35 lbsVisualization Method: monochrome ChargingInterface: micro usb 5v-2aPrinting Method: thermal inkless printingSystem Supported: Ios & Android & WindowsItem Size: 3.1 * 3.1 * 1.7 inch/7.9 * 7.9 * 4.2 cmPrint Connection: mobile phone bluetooth & computer usb interfacePaper Type: thermal paper with a width of 2.2~2.3inch and a diameter of 1.2inch or less can be supported.Package List 1 Mobile Instant Photo Printer 6+1 Thermal Papers Rolls(NOTE: one roll comes with the portable smart photo printer) 1 USB Cable 1 Instruction ManualPlease Note: Please read the user guide carefully when your start to use the product. If the printing goes wrong, please check the installation of paper roll.