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 printer Built-in battery: 1000Ah lithium battery Working power supply: DC5V/1A Charging interface: -USB Connection : Bluetooth connection Print type: thermal printing Printing paper size: 57x30mm Printer size: 80x80x35mm Material: ABS Color: White Package Contents: 1 x Printer 1 x Printing Paper 1 x Charging Cable Only 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.