Make everyday personalized projects. Achieve professional-looking heat transfer projects. Use Bluetooth to connect to the Cricut Heat app to send precise time & temperature settings. Product will not function until activated with Cricut Heat app and compatible internet-connected mobile device. Built with ceramic-coated heat plate that delivers dry edge-to-edge heat. Reaches controlled & precise temperatures of up to 400F. Compatible with major brands of iron-on Infusible Ink and sublimation products. Designed and tested in Utah USA.