This is the compact label maker that operates via your iPhone or Android device. Connecting wirelessly to a smartphone, tablet, or computer, the label maker prints 300 x 600 ppi resolution labels for letters, packages, or home and office organization. A free app enables one to design professional labels with various fonts and symbols before printing it without toner via black and white direct thermal printing. Interchangeable label cartridges (required) let users swap out label types as needed, and the printer’s automatic cutter enables one to customize a label’s length from 1/2" to 3 1/2" wide and up to 9' long. Includes USB connecting cable, custom labels cartridge, and cleaning card. Plugs into AC or can be made portable with the optional rechargeable battery pack. Compatible with devices using iOS 7+, Android 4.1.2 or later, and computers using Mac OS X v10.7+ and Windows 10, 8, 7. 8 1/2" L x 5" W x 4 1/2" H. (2 lbs.)