Sennheiser OMX 680 Sports Earhook Headphone with Volume Control Used , Description Sennheiser OMX680 Adidas Sports Ear Bud Headphones Train and run in total comfort, the Sennheiser/adidas OMX 680 Sports clip-on earphones make for an excellent option for fitness fiends. Their fully adjustable ear clips follow the contours of your ears, providing a secure, custom fit while high-output drivers deliver a powerful and energizing stereo sound, pepping you up during your run or work out. These earphones have been designed and tested for heavy movement. Their strain relief parts are made of highly-flexible, shock-absorbing material while the cable is Dupont? Kevlar reinforced, offering you unmatched strength and durability. Even under the toughest of conditions, e.g. -10 degree celsius, the OMX 680 Sports have been found to function well and maintain their flexibility. Their short cable allows for a hassle-free experience especially when you wear your audio player around your neck or on your arm. However, you may attach the extension cable which comes integrated with a volume control, whenever you require added cable length. The OMX 680 Sports also feature a unique moisture protection system - it protects the sound system from sweat and water, no matter how heavy you work out (and sweat) or how heavy the rain may be. Key Product Features: Sennheiser/adidas OMX 680 Sports - Offering you the best sound experience and sports performance High performance stereo clip-on earphones for a secure fit during sports Sweat- and water-resistant: ideal for sports Fully adjustable ear-clips: secure and comfort fit during workouts Variety of ear-adapters (S/L) included: customize your fit! High-output drivers: energizing sound Acoustically more open - blocks less outside noise and lets you be more aware of your immediate environment (more recommended for outdoor use) Dupont? Kevlar reinforced cable: superior strength and reliability Short cable for ease of use while running or working out with your player around your neck or on your arm; option of using extension cable with volume control Practical accessories like cable clip and storage pouch included in the delivery Ideal for use with all MP3, iPod, iPhone (iPod and iPhone are trademarks of Apple Inc. registered in the U.S. and other countries), miCoach, CD players, mobile phones (3.5mm) and AV systems installed in gyms