H2O Audio Black Behind-the-Neck Sport Headphone for $7.99 shipped. Here is a screenshot for your reference. It is sweatproof. As a comparison, Best Buy has it for $29.
H2O Audio Black Behind-the-Neck Sport Headphone for $7.99 shipped. Here is a screenshot for your reference. It is sweatproof. As a comparison, Best Buy has it for $29.