Thermal Bluetooth label printer: This B1 label machine uses thermal printing, no ink or toner is required, clean and convenient; connected via Bluetooth, compatible with Android and iOS, easy to use. Comes with 230 pieces of 50*30mm (1.97"x1.18") label tapes, no need to buy additional label paper, saving you money. Supports 2-inch wide label tape: This barcode label printer is compatible with label widths of 20-50mm, and it can print text, QR codes, barcodes, addresses, price tags, price tags, clothing, jewelry labels, etc. B1 printer supports batch printing. Note: Text printing can be done in any language as long as your phone can type. Smart and easy to use: Using RFID, the label paper can be automatically recognized, just tear it off and install it, download the application (the same application used with D11/D110/D101/B21 printer), connect to the label maker via Bluetooth, and Design labels on your phone and print, peel and stick. Portable and energy-saving: The size of the B1 machine is 13*9.5*6cm and the weight is 300g (including battery). It is lightweight and can be carried with you to print labels anytime and anywhere. The 1200mAh rechargeable battery can work continuously for 4 hours. Note: Please fully charge the battery before first use. Wide range of applications: Retro design and exquisite packaging make it a good choice as a labeling machine gift. Widely used in label printing in businesses, offices, shops, warehouses, supermarkets, schools, etc.