The Nelko Portable Label Maker Model P21 in white is a compact and efficient device that offers Bluetooth connectivity for easy printing from iOS and Android devices. This monochrome label maker has a maximum print speed of 30.00 and supports a variety of sheet sizes for labels. It features automatic duplex printing, a portable scanner, and a memory storage capacity of 8 MB. The Nelko P21 is a versatile and user-friendly tool for creating labels in business and office settings.