Sennheiser CX 680 In-Ear Adidas Sports Headphones

The CX 680 in-ear headphones from Sennheiser and adidas provide high-quality audio, noise isolation, 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 multiple sizes of eartips to ensure a comfortable, stable fit that won't fall out. The in-ear design also blocks up to 20dB of ambient noise, letting you focus on your workout instead of your environment.