Advanced thermal printing technology, no ink required, convenient and cost-effective. Built-in 1200mAh rechargeable battery, operates with low noise; the thermal printer does not require ink, ensuring low operating costs. 200dpi high-resolution printing for clear output and stable performance. Supports multiple functions including photo, label, message, list, record, and QR code printing, as well as web printing. The app offers various fonts and themes to enhance your photos. Capture moments, print scenes, preserve meaningful messages, and organize learning materialsfun and practical. Compact size for easy portability. Print Type: Thermal Printing Input: 5V, 1A Resolution: 200dpi Connection: BT/USB Battery: 3.7V, 1000mAh Paper Width: 57mm Roll Diameter: 25mm App Name: funprint Color: As Shown Material: Plastic Package Contents: 1 x Printer 6 x Paper Roll 1 x USB Cable Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.