Keep yourself calm & focused with this wearable tech device
Jul 04, 2017
doppel creates a rhythmic pulse that you feel on the inside of your wrist as a heartbeat like vibration. We do not simply perceive this rhythm, but we entrain to it - a faster rhythm makes us feel more alert, and a slower one calms us down. The effect is similar to listening to upbeat or slower music. But with doppel, there's no noise and no distraction.
Learn more: www.IDTechEx.com
& www.doppel.london 