Even when you’re pushing yourself to the limit, the ADVANCED Evo X Sports Earbuds will still deliver high-quality sound. As you’re cycling up that last tough climb and breathing your hardest, the internal beryllium dynamic drivers ensure you still get those mid-range notes. In fact, these wireless earbuds are designed specifically so that you don’t miss those treble details that often get lost. Additionally, these sports headphones have a very minimalist look. And they have hardly any wiring that wraps around the back of your head. However, these workout earbuds stay securely in place through even the toughest of exercises. Furthermore, these earbuds are sweatproof and can play for five hours straight, so you’re free to exercise as long and as hard as you want.