Please make sure Bluetooth is switched ON on your mobile device. The printer needs to be searched for and connected via the NIIMBOT app, particularly important for iOS users. Directly using the phone's Bluetooth to connect the printer may fail. And please also make sure that when installing the NIIMBOT app, it is granted permission to use the phone's Bluetooth. When you have printed at least one label designed in the app and while the printer is on, press the switch button once, and it will repeat the same printing once. Easy to use- B21 Bluetooth label printer compatible with Android and iOS devices. How to use: Install NIIMBOT App from App Store & Google Play, Turn on B21 label printer and open bluetooth connection. Choosing and connecting printer model B21 from NIIMBOT APP, Then Enjoy Printing. After inserting the label and closing the lid, the message "Please use the new version paper, tighten it, and replace it." appears. Why? Send us a short video of no response with a long press for 10 seconds. You can kindly send it to us on our Facebook messenger https://www.facebook.com/niimbotlabel.

B21 Portable Wireless Label Printer, Bluetooth Label Vetbuosa B21 Portable Wireless Label Printer, Bluetooth Label

Widely use- It is made of high quality ABS, with a retro look which can be widely used in supermarkets, stores, clothing, jewelry, small business owners, office & home organizations. Powerful thermal label maker- B21 label printer comes with 1200 mAh lithium battery, One charge of battery can support 4 hours of working, So don't need to buy batteries, The label maker will shutdown automatically when paused for 15 minutes to save power. NIIMBOT APP functions like automatic templates matching, image recognition, batch printing are offered, also includes more than 20 kinds of fonts and thousands of image materials.To turn on the printer, press and hold the switch button for 3 seconds. To turn off the printer, also press and hold the switch button for 3 seconds.

Niimbot B21 review: a simple label maker with an eye-catching

The basic fonts and icons print nicely but you'll want a higher resolution for more detailed images (Image credit: Future) Sometimes some font type to some language may lead to characters too thin. Please try another font type. No need to buy toner or carbon tape anymore!- NIIMBOT wireless label maker printer uses thermal printing tech, it supports label width 0.8''-2''. The paper rolls are easily fitted but you'll need to manually tighten the grips (Image credit: Future)