Sennheiser pairs with Adidas, releases new sport headphones - CNET
$34.99 for a Sennheiser Adidas CX 680i Sports Headset (Refurbished) ($79.95 List Price). Free Shipping and Returns. | Sennheiser, Headset, Adidas sport
Sennheiser CX 680 Sports Review | PCMag
Sennheiser Adidas CX 680 Sports, focused on music – Product Reviews Net