Amazon.com: Sennheiser MX 680 Sports Earbud Headphone with Volume control & Earfin Clips (Discontinued by Manufacturer) : Electronics
Shop Sennheiser Adidas CX 680 I Sports Headset & Discover Community Reviews at Drop
$34.99 for a Sennheiser Adidas CX 680i Sports Headset (Refurbished) ($79.95 List Price). Free Shipping and Returns. | Sennheiser, Headset, Adidas sport
Sennheiser/adidas® CX 680 Sports earbud headphones with in-line volume control at Crutchfield