Feature:1. ECO FRIENDLY AND INK FREE: The mini printer adopts advanced thermal printing technology and prints on thermal paper instead of ink. More convenient, efficient and eco friendly. Not as easy to get dirty as printing with ink. (Note: you can only use thermal paper to print in black and white, not color)2. APP CONTROL: Pocket printer can use for Iprint APP, which is free for users. You can print labels, lists, questions, pictures and more. It also offers a variety of templates when connected to the app via Bluetooth compatibility.3. WIRELESS CONNECTION: The pocket printer uses Bluetooth to connect to thermal printing without the need for a wired connection and supports both for Android and for iOS operating systems. Make your use more flexible.4. IDEAL GIFT: This compact cell phone printer can cultivate children's creativity and parent child activities. Portable printer as Christmas, Children's Day or Thanksgiving present for kids, students, teachers and DIY artisans etc.5. LONG BATTERY LIFE: The portable thermal printer has a built in lithium battery 800mah, charging time is 23 hours, long battery life.Specification:Item Type: Mini PrinterMaterial: ABSPrinting Type: Thermal PrintingConsumables Specifications: 57xD30mm (Standard Specifications)Built In Battery: Lithium Battery 800mAhCharging Time: 2-3 HoursInput: 5V 1ACharging Interface: Type C.Package List:1 x Printer 1 x Charging Cable 1 x Instruction Manual 1 x Thermal Paper