Modern tech is all about balance. We love smart little features that make our lives easier, but nobody wants to get a text from the refrigerator that it needs you to re-enter the Wi-Fi password.

The same is true with wireless…anything. Freedom from cords is great, right up until your favorite device becomes just another thing that needs to be charged. That’s how the world’s first solar-powered earbuds take a proven idea—premium wireless audio—and remove one of its biggest annoyances. Leave the case in the sun or even under typical indoor lighting, and it steadily recharges on its own, no outlet or cable required.

This first-of-its-kind design still includes the features you’d expect, like active noise canceling and built-in microphone. They just happen to stay ready in a way most earbuds don’t, all without demanding much from you in return.