One, a Pen-type Concept Phone with Flexible Display

Image Credits :  Yanko Design 

One is a pen style phone;  Click read more for more info

Image Credits :  Yanko Design 

One is a phone based on pen style 
 The One concept phone has been made by Yejin Jeon and is published on Yanko Design 
Some Specifications :

• 6-inch display
•  relies on cloud computing for memory.
• a microUSB port
• a microphone, speaker, camera, WiFi