Simple and Fast Label Printing: With the NIIMBOT B21, printing labels is easy thanks to wireless technology and a user-friendly interface. Rechargeable Battery: Up to 4-5 hours of printing on a full lithium battery, ideal for use wherever and whenever you want. Compact Compatibility: Print directly from PC, Android, or iOS devices for maximum flexibility. Advanced Printing Options: Print vertically and horizontally; create barcodes and customize labels according to your preferences with high resolution. User-Friendly App: The free app offers more than 1,500 icons, numerous fonts, and the ability to generate QR codes. Extreme Durability: High-quality Japanese print heads and laminated labels ensure a long lifespan and resistance to environmental factors. Technical Specifications: Print speed of up to 60 mm/s, resolution of 203 dpi, and various language-free application options. Package Contents: Label printer, USB-C charging cable, and a set of 210 self-adhesive labels (50x30mm).