thThe two sleep aid devices in this bundle might be the most unexpected sleep hack since warm milk: a Bluetooth headband and a guided meditation light, working together to help you beat insomnia. You ...
In 2015, Denmark-based Aiaiai released its TMA-2 modular headphone system, which allowed users to swap speaker units, headbands, ear pads, and cables to create more than 1,000 different combinations.