Compact and PortableThe B3 high-definition mini label printer measures just 108x83x50mm, making it easy to carry and use anywhere. Versatile Label PrintingCompatible with multiple label sizes including 20x10mm, 25x25mm, 30x15mm, 40x20mm, and 50x50mm for various labeling needs. Thermal Printing TechnologyUtilizes thermal printing technology, eliminating the need for ink and reducing ongoing costs. Rechargeable BatteryFeatures a built-in 1200mAh lithium battery, providing extended use on a single charge. High-Quality OutputPrints at 200dpi resolution, ensuring clear and crisp labels for all your organizational needs. User-Friendly AppComes with the "Fun Print" app, offering a vast array of templates and free editing options for customized labels. Specifications: Size: 108x83x50mm Power supply: built-in 1200mAh lithium battery Charging interface: Type-C USB Resolution: 200dpi Printing method: thermal/inkless printing Charging time: 2 hours App: fun print Recommended Continuous Use: 1 hour (to prevent overheating) Compatible Label Sizes: 20x10mm, 25x25mm, 30x15mm, 40x20mm, 50x50mm Package included: 1 x Mini Label Printer 1 x Charging Cable 1 x Printing Paper (40*20mm) 1 x English and Chinese User Manual