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The Sennheiser Adidas MX 685 in-ear headphones are designed around the person that loves to infuse there workout and personal music library together. Thanks to the comfortable and secure Slide-to-Fit holding mechanism, they offer amazing comfort when on and you won't need to worry about them until you finish your run. Para-aramid reinforced cables, paired with strain relief parts made of flexible shock-absorbing material make that these headphones tough and ready for anything you can throw at them.


  • Ear coupling: earbud (open), earfin
  • Connector: 1/8" (3.5mm) stereo jack plug, iPod/iPhone compatible
  • Cable length: 1.2 m symmetrical
  • Frequency response: 18 Hz - 20 kHz
  • SPL at 1kHz, 1Vrms (Sound Pressure Level): 118 dB
  • Impedance: 16 O
  • THD (Total Harmonic Distortion): < 0.5%

In the box:

  • MX 685 headphones
  • 1 pair foam earpads
  • Air cushion adapters (sm, lg)
  • 2 pair ear sleeves
  • Cable clip
  • Storage pouch

  • Ergonomic earbud design allows for situational awareness
  • Innovative EarFin is ergonomically designed & holds the headphones in place - no more losing them as you work out
  • High-output drivers for natural, Sennheiser-quality sound
  • Para-aramid reinforced cables are extra-durable and stay flexible, even in the cold
  • Water- and sweat-resistant for maximum ruggedness and durability during indoor or outdoor use
  • Volume control on cable for easy access
  • Fits any device with a 1/8" stereo headphone jack
  • Productcode: E3640036

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