Here is a smart pair of headphones that lets you control PC or smartphone apps with head movement. Booster One Headphones have a gyroscope that recognizes 4 types of head moves. As you move your head up, down, right, or left, you will be able to control apps, interact with your music, or take calls.
Booster One features steel headbands, comfortable ear cushions, a noise cancelling microphone, and adjustable design. You get an on/off button and volume controller too. iOS, Android, and other popular platforms are expected to be supported.