Sennheiser MX 680 Adidas Sports Earbud Headphones

The MX 680 in-ear headphones from Sennheiser and adidas provide high-quality audio and durability in a compact and lightweight design. Ideal for the sports or workout enthusiast, the headphones have a sweatproof design for indoor or outdoor use at any time of year. The headphones have an exclusive EarFin design and soft earpads for a comfortable, stable fit that won't fall out.