Features: The high-quality printer adopts thermal printing method, which is fast, low noise, clear printing, ink-free and environmentally friendly. Small, lightweight and easy to carry. 57mm paper width, 300dpi resolution, smooth and clear printing, meeting your various printing needs. Supports BT-compatible smartphone APP wireless connection, suitable for Android and iOS, you can print anytime and anywhere. USB connection is also supported and works with Windows and Mac. The cute appearance design is a good partner for improving learning efficiency and recording wonderful moments in life. Save time on hand-written notes, help study, improve learning efficiency, and print quickly. Specifications: Model: Paperang p1 Pocket Printer Color: Blue/Pink/Yellow/(Optional) Paper Type: Thermal Paper Material: ABS Printing Method: Thermal Printing Connection: BT Compatible Connection 4.0 Resolution: 300dpi Paper Width: 57 mm Roll diameter: 30mm Input voltage: DC 5V, 2A Battery: Built-in 7.4V, 1000mAh lithium battery Support system: Android, iOS, Windows, etc. Resolution: 300DPI Paper size: about 83x83x45mm/3.27x3.27x1.77in Product weight : 180g/5.6oz Packing weight: 297g/0.65 Note: Due to lighting effects and shooting angles, the product will have certain tolerances, please understand. Please allow 0-1cm error due to manual measurement. Packing list: 1 x thermal printer 1 x thermal paper 1 x USB cable 1 x user guide