High Resolution – 300DPI: Enjoy crystal-clear prints, perfect for product labels, price tags, QR codes, and more. Two-Color Printing: Print eye-catching labels in black and red (special label paper required). Portable and Rechargeable: With a built-in 1500mAh battery, enjoy up to 2 weeks of use after 4 hours of charging. Multi-Platform Compatibility: Works via Bluetooth with Android and iOS smartphones and on PC via USB (NIIMBOT software required, not compatible with iPad). Thermal Printing Technology: No ink needed, with smart features like automatic label recognition, batch printing, and over 30 fonts. Versatile in Use: Suitable for labels from 0.8 to 2 inches wide, ideal for various applications. Applications: Suitable for offices, stores, warehouse management, hobbyists, and as a gift idea for various occasions. In the Box: Includes NIIMBOT B21 Pro Label Printer, USB charging cable, manual, and starter label roll.