Company Royole presented at CES 2017 prototype smartphone FlexPhone, which wrap wrist.

The device in the expanded state is the usual Android smartphone, and when he bends around your wrist, it becomes a powerful fitness tracker.
Royole FlexPhone, as usual smart bracelet can monitor the physical activity of the user. The device is counting heart rate, steps, measures distance traveled.

Royole FlexPhone is created quite slender. Its thickness is only 5 mm, and weight – 100 g Device can work exclusively in third-generation networks.

Unfortunately, the release date of the commercial version Royole FlexPhone is unknown.