Out from your veins.

Actually, it's a phone roll out from the wrist.

They called it Rollerphone.

Credit : Google

It is the combination of a watch and a mobile phone. 

Credit : Google

This device will show you the time at the upper side of your wrist.. 

Credit : Google

...and when you turns it over, there will be transparent screen rolled out that available for phone call!

For your information, this Rollerphone encourages perfect ergonomics and anthropometry and the screen will roll out to the very tip of your fingers.

Ergonomics is the science of fitting workplace conditions and job demands to the capabilities of the working population. [OSHA]

Meanwhile, Anthropometry measures all physical aspects of your body includes simple measurement like height and width. [ergonomics.about.com]

Credit: Google

Shows you the menu buttons.

Credit: Google

Pull out the screen, you'll see the icons for phone call, texting and so on.

Credit: Google

You just select the menu, dial the number and click the green button to call. See?

Credit: Google