Meet Mendi: a smart wearable device that helps you train your brain through games. It is a brain training headband that lets you control a game on your phone with your mind. The headset measures your brain activity, while the companion game visualizes it.
The device is easy to use. Simply wear the headset, choose training duration, and you are ready to go. Mendi is compatible with iOS and Android devices. Its battery lasts for up to 60 seconds.[where to find it]