Upgraded 3-inch label printer - Now with a wider print width of 20-75mm (0.78 inches to 3 inches), suitable for over 50 types of labels, expanding its application range to include barcodes, addresses, clothing, products, cables, jewelry, and folders Strong compatibility - Stable Bluetooth 4.2 connectivity for smartphones and tablets, connecting in just 2 seconds. The M221 label printer also supports USB connection for Mac OS and Windows 10 (please follow the software installation guide) Powerful application with user-friendly features - The Phomemo M221 label maker integrates seamlessly with our "Print Master" app. It offers over 100 free label templates, supports 13 languages, and allows printing of text, barcodes, icons, images, stickers, and tables. Customize your labels freely with batch printing capability for enhanced business efficiency Thermal direct printing without ink - No need for ink or toner. The Phomemo M221 label printer works exclusively with thermal paper, saving energy and keeping hands clean. It comes with a sample roll of labels (100 sheets of 1.57"x1.18" labels) that are waterproof, oil-resistant, easy to tear, and leave no residue, making it an efficient assistant for both homes and businesses Fast and reliable - The Phomemo M221 wireless label printer can continuously print up to 36 rolls on a full charge. With Type-C fast charging and its portable design, it's convenient for on-the-go use Specifications: Print resolution: 203dpi Consumable specifications: 20-75mm Printing speed: 50mm/s Communication interface: Bluetooth 4.2 Battery capacity: 2200mAh Power input: 5V-2A Charging interface: Type-C