Ο/H Phone Arena News έγραψε:

Here's a novel idea jumping straight out of Kickstarter. Sgnl is a smart replacement strap for your watch that lets you answer phone calls through your fingertip using a clever skin vibration system in combination with Bluetooth. The way the whole thing works is as follows. The strap receives voice signal from your phone via Bluetooth. Upon receiving the signal, it will generate vibration through a body conduction unit which transmits the voice vibration from your hand to your fingertip.

When you place your fingertip to your ear, the vibration echoes and the sound ...