Meet the Oakley Radar Pace: a smart eyewear with real-time voice-activated coaching powered by Intel Real Speech for athletes. It creates custom training programs and tracks your performance. It has accelerometer, gyroscope, pressure, humidity, and proximity sensors. Radar Pace connects to smartphones and ANT+/Bluetooth devices. In fact, the device is compatible with iOS and Android devices.
Radar Pace has a touch pad that you can use to control its function. It has a microphone array for voice control. More info is available here.