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 Uses:home, office Type:B Colour:White Material:ABS Size: Printing paper size: 57x30mm Printer size: 80x80x35mm Package Contents: 1 * Printer 5 * Thermal Paper 3 * Colored Paper 1 * Charging Cable 1 * English Manual 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.