Wow ! I've read an article where we can use our skin as a touchscreen for our smartphone. There is no need to use the device. We can just wear the device to our skin talk and text accordingly without any trouble or any itching sensation to the skin. Some doctors are saying that it might cause cancer but thorough investigation was performed in the lab and decided it is not a cancer causing agent. The article did not mention about the audio. That might become a intelligent question.