Meet the ELF Emmit: a smart wearable device designed to improve your sleep, stress, and focus. It emits pulses from 0.2Hz up to 19 Hz to change your state of mind. The device has an electromagnetic coil to emit extra pulses to target your brain. You get 5 mood settings.
The companion app lets you control the device via the headphone jack. This project is currently active on Indiegogo.