Steer is designed to prevent you falling asleep at the wheel. It accomplishes this by monitoring your heart rate using 16 different sensors around the wristband. It then takes an average of your heart rate so it can alert you when your heart rate drops due to you falling asleep at the wheel. It follows this up with a flash of the light coming from the band and a gentle vibration, if this doesn’t have an effect on you it then shocks you with an electric shock that gives you a jump which increases the quantity of serotonin, cholesterol and other hormones that will get your heart rate back to normal as well as giving you a bit of energy to carry on with your drive. As an unbiased third party writing about this gizmo I can see the obvious benefit of reducing the number of accidents on roads by keeping more people awake yet there is the large flaw of the possibility of it malfunctioning which could give you too many or to power of an electric shock that could lead to an overdose of hormones. As a final note, this product is currently on Kickstarter and is expected to come out in November for approximately 100 USD.
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Credits: http://mashable.com/2017/07/21/steer-driving-wearable-sleep/?utm_cid=hp-r-1#nAKFgFf3.qqq, https://businessmonkeynews.com/en/bizarre-wearable-wants-to-shock-you-awake-so-you-dont-fall-asleep-at-the-wheel/