The Royole Flexible Phone is a flexible, wearable phone that uses Royole’s patented full-color flexible display technologies. When rigid, it functions as a regular cellphone but also can be rolled up conveniently onto a wrist as a phone or fitness monitor. When a call comes, in it can either be used in place as a speakerphone, or it can be removed and straightened into a traditional phone. It also functions as a fitness tracker and can monitor heart rate, steps taken and distance. It measures just 6mm thick.