Tags archives: hyunchul-choi

As kids, we pretended to talk over the phone by putting our fingers to our ears. This device has converted that childhood game into reality. Sgnl is a smart strap which enables one to make calls just at the touch of a fingertip. This smart strap turns any normal watch into a smart one by changing its strap. On doing so, this device can be connected to any smartphone and the user can receive calls by placing his finger on his ear. The Sgnl smart strap has left behind all Bluetooth devices which claim to make calling easier. This is ind...