Pearl Earbuds from Outdoor Technology are sport-style earbuds with six hours of play time and a recharging case that provides up to five more full charges. You heard that right -if you 're out and about and run out of juice, just pop your Pearls back in their case for a re-charge. Repeat as needed for a total 36 hours of play time. Outdoor Tech Pearls Earbuds with Recharable Case | Black | Christy Sports