Small Wireless Thermal Label MakersThis B21 label maker uses thermal printing, no ink or toner, clean and convenient; Connected via Bluetooth, compatible with Android and iOS, fast printing. Its compact size makes it easy to carry to work or even on business trips. Easy to print wherever you want Richer printing contentThe free app has rich content including text, numbers, symbols, images, logos, barcodes, QR codes, etc., including many label designs and fonts, with a simple design, you can print a variety of unique labels. Through RFID, the label paper can be automatically identified on the APP. Support Excel batch printing to improve work efficiency Easy to Use A roll of label paper with 230 stickers is inside the labeling machine. address, tear it and install it, download the app, connect to the label maker, design a label on your phone and print, tear and stick. It can print all languages your phone can change. One sticker measures 50x30mm, perfect size for any mail, box or bag USB Rechargeable With 1200mAh rechargeable battery, works continuously for 4 hours, automatically shuts off without operation for 15 minutes, longer standby time after charging. No need to replace the battery, more convenient to use. PLEASE NOTE: Fully charge the battery before using it for the first time Wide ApplicationSupports 20-50mm width labels, it can be used for kitchen organization labels and home storage, as well as cables, prices, barcodes, postal or address labels. It is a good labeling assistant for kitchens, offices, retail, stores, warehouses, etc., especially suitable for commercial supermarket retail applications