A US-based company has developed a smartphone prototype that can be rolled up around the wrist.
To receive a call, it can either be used as a speaker or removed and straightened into a traditional phone.
At the end of the call, you may bend it back onto your wrist.
FlexPhone, developed by US-based Royole Corporation, can also function as a fitness tracker.
It monitors your physical parameters, including heart rate, the number of steps taken, and the distance travelled.
The phone is 6 millimetres thick and weighs 100 grams.
Phone's display as well as circuitry are flexible, making it sturdy in handling drops and bumps.
The phone features 3G connectivity, and is SIM-card compatible.
It was named the innovation awards honoree at the CES trade show in Las Vegas, US.