As the vibrations cover a wide area of the screen, theuser is able to hear clear voice quality regardless of which part of the ear they place the device on.
The handset incorporates audio technology that optimizes the frequency range based on a user's age, making it easier to hearthe voice of the person on the other end of the call.
The bone conduction transducer allows the wearer to hear audio without the need for in-ear headphones - sound waves are instead delivered through the user's cheekbones and into the inner ear.
Ridley Scott might like to say no one can hear you scream in space, but another application loaded onto the device will put that to the test by playing user-submitted shrieks and recording them with the handset's microphone as they playback.