Bluetooth 4.0 connection: This mini printer connects wirelessly via Bluetooth to iOS or Android devices using the "Iprint" app. Open the app, tap "Not Connected," select the printer model from the Bluetooth list, and choose desired functions for wireless printing. Mini Inkless Photo Printer: This compact printer features a built-in rechargeable 1000 mAh lithium battery for on-the-go use. Utilizing thermal printing technology, it requires no ink, reducing ongoing costs. It supports multiple functions including photo printing, labels, messages, lists, notes, web pages, and QR codes. Portable and Cute Design: Measuring half the size of a smartphone, this lightweight printer easily fits into a shirt pocket. Ideal for kids, teachers, students, and travelers who need convenient printing at home, school, or on trips. Multiple Use Occasions: Suitable for printing photos, memos, notes, to-do lists, shopping lists, work plans, and craft projects at home, school, or the office. Perfect for students, educators, and hobbyists. (Warm tip: To avoid paper jams, ensure the print paper is tightly wound before loading.) Dimensions: 11 x 8 x 3.5 cm Material: Plastic Color: White + Blue Package Contents: 1 x Mini printer (includes one roll of paper) 5 x Thermal paper rolls 5 x Adhesive thermal paper rolls 3 x Colored thermal paper rolls 1 x USB cable Note: The package includes only the items listed above. Other accessories shown are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement tolerance is +/- 1-3 cm.