Using high-quality Print Head, with 200DPI print resolution, showing a high-definition photo-level printing effect.Support Adhesive Thermal Paper Printing Convenient Your Life.Compatible With IOS/Android App / download APP " Print".Small and convenient, does not take up too much space a hand can grasp.There are many interesting texts that can be on the phone by connecting it to the phone via bluetooth compatibility.Name: mini printerBuilt-in battery: 1000Ah lithium batteryWorking power supply: DC5V/1ACharging interface: -USBConnection : Bluetooth connectionPrint type: thermal printingPrinting paper size: 57x30mmPrinter size: 80x80x35mmMaterial: ABSColor: WhitePackage Contents:1 x Printer1 x Printing Paper1 x Charging CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.