Casio KL-BT1 Label Printer features fast, easy printing of labels useful for organising and managing things. Compatible with smartphone. Features Quick and Easy Label Creation: Create original labels or print pre-designed labels simply by choosing from a variety of pre-loaded label samples. Memory Print: One-touch printing of pre-registered labels is useful for printing frequently used labels. Reprint Label: One-touch printing reprinting of the previously printed content is convenient when you want to replace an existing label. Multi-Languages: It is possible to print labels in any languages used on mobile devices. 2WAY Power Supply: Powered by the included AC adapter or batteries (Sold Seperately).