Supersmoker Bluetooth is a new generation electronic cigarette which will allow you to answer calls, play music and of course smoke .
An electronic cigarette (e-cig or e-cigarette), electronic vaping device, personal vaporizer (PV), digital vapor device or electronic nicotine delivery system (ENDS) (not to be confused with smokeless cigarettes) is a battery or USB powered device which simulates tobacco smoking. [Via Wikipedia]
The below video will show you the details.
It allows you to attend calls even when you are not smoking.
The three buttons at the end can be used to attend the calls, play music, increase or decrease volume. The device have a built in Speaker and Microphone to attend the calls. Supersmoker Bluetooth is compatible with all Bluetooth devices. The cost of the device is €79,95. Supersmoker claims it is the First ever e-cigarette with Bluetooth phone function.