The Oura Ring is now available at more than 50% off for Prime Day. Disguised as a simple band, this cutting-edge wearable has garnered attention from athletes and celebrities, thanks to its game-changing health tracking features.

Looking for headphones that stay comfortably in place during workouts? Shokz OpenRun Pro are now on sale for $125—$55 off their usual price—thanks to an early Prime Day discount.