The MX 680 in-ear headphones from Sennheiser and adidas provide high-quality audio 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 soft earpads for a comfortable, stable fit that won't fall out.
The headphone cable is reinforced with DuPont Kevlar for terrific durability and flexibility, even in extreme weather. A detachable extension is included for extra slack, and a clothing clip helps to minimize tangles. The cable has an integrated volume control for making quick adjustments, and the standard 3.5mm plug provides compatibility with a wide variety of devices, including the adidas miCoach and all other CD players and MP3 players.
| Type | Earbud |
| Frequency Range | 18Hz - 20kHz |
| Impedance | 16 Ohms |
| Sensitivity | 118dB |
| Maximum Input Power | Not Specified by Manufacturer |
| Connectors | Standard 3.5mm Stereo Mini Plug |
| Cable Length | 1.97' (0.6 m) with 1.97' (0.6 m) Detachable Extension |
| Weight | 0.42 oz (11.9g) (Without Cable) |
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Reviewed by 8 customers
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
Use them for workouts and running. Good sound and stays in the ears. Other earbuds never stayed in my ears but thes work great.
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
I like this product because this product are lightly weight ,good color ,water resistant and cool design
The sound : I try this product with my laptop and my phone that sound good but I think that did not satisfy for me because that bass is just fair (I like more powerful bass)
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
Great sound quality and the strong cable provides durability. The rubber ear fins keep the buds in my ears even while jogging. Definitely recommend for an avid gym-goer.
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
My main reason for getting these earphones was to use at the gym. I normally used some cheap Sony earphones I'd get at [...], they worked fine but wouldn't last and would fall out when on a treadmill. Needless to say I was expecting these to be a perfect match for me, sport earphones that stya in place and have good sound. The fit isn't great, they fit somewhat well but the earfin is more cumbersome than helpful. The cord is too short unless you have you MP3 player on your upperarm, it's too short to use on a treadmill or workout machine to watch TV or listen to other music. The extenstion cord is too long and heavy, you'll need to use the clip to attach the cord to your shirt otherwise the extention cord will tug at the earphones and pull them out. All in all I'm not happy or upset with the earphones just content. If you only use your earphones with your MP3 player on your upperarm its worth a buy otherwise look elsewhere or be prepared to deal with a cord that's too short or too long. For the money I expected better.
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
Way better sound than standard apple earbuds
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
easily customized to the size of your ear, comes with different fin sizes and varying sizes of pads for the actual speaker part of the earphone, comfortable, like the option to use with the inline volume control or have a shorter cord without it for running or other activity
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
I like the product. Good quality, good sound, and nice design. Comes in a nice pouch that fits my small mp3 and headphones. I love the quality construction and volume control. The only problem is the little ear fins can come off and I have to re-attach them at times. I would recommend this product and am glad I purchased it.
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Comments about Sennheiser MX 680 Adidas Sports Earbud Headphones:
These sport headphones are by far the best I have ever purchased.
The sound is much much better than I expected and they stay secure during all my workouts in the gym or on the road. I love the provided clips and the volume control is wonderful.
Displaying reviews 1-8