Wireless & Inkless Label Printer - Equip with Bluetooth 4.2, this thermal label printer can easily connect with the smartphone via Bluetooth function. Direct thermal printing technology, get rid of any ink and ribbon, Convenient and clean. Android mobile phone by bluetooth connection, but also supports USB connection for MAC and Windows 7,8,10,11. Phomemo's New Flagship - Phomemo M220 Label Printer adopts Roma print head from Japan, new upgraded 20-80mm print width, supports printing wider and more types of labels; such as barcode, jars, price, clothes, QR, icon, also can print address labels, ingredient labels, shipping labels. Save you a lot of time handwriting labels and improve efficiency. (label maker not support 4 "x 6" label).