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Sennheiser and adidas present new sports earphones, release, note by Larry Eder - runblogrun
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Sennheiser Adds Wireless and Noise-Canceling Features to Its Consumer Headphones | WIRED
Sennheiser CX 685 SPORTS Review | PCMag
Restored Sennheiser PMX 680 Adidas Sports In-Ear Neckband Headphones Gray/Yellow PMX680 (Refurbished) - Walmart.com
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Amazon.com: Sennheiser OCX 685i Adidas Sports In-Ear Headphones - White (Discontinued by Manufacturer) : Electronics
Amazon.com: Sennheiser OCX 685i Adidas Sports In-Ear Headphones - White (Discontinued by Manufacturer) : Electronics
Amazon.com: Sennheiser PMX 680 Sports Earbud Headphones (Discontinued by Manufacturer) : Electronics
Sennheiser CX 685 SPORTS Review | PCMag
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