You are purchasing 1 roll of thermal labels with dimensions 25x38+40mm - 100 adhesive labels for Niimbot B series printers. The printer automatically detects the size of the original Niimbot roll without the need to change the application settings. The printer can print multiple labels per second, as it is a thermal printer, ensuring you never run out of ink. It features high work efficiency thanks to the built-in 1200mAh battery, which allows wireless label printing anywhere. Just install the app, connect to the printer via Bluetooth, and you're ready! The simple free app is available for iOS and Android, allowing you to easily create labels with various elements such as: any text, font, size and quantity, barcode like EAN-13 or your own product code, QR code and other codes generated automatically, images, scanning, serial printing 01, 02, 03, etc., Excel table, current time and date, expiration date, emojis, and many ready-made logos, lines, and more.