The headphones themselves are made of a light green plastic disc with several smaller holes. These include the actual headphone membrane is protected from contamination. Cleaning under running water is possible and for headphones in sports sometimes beneficial.
The sound is when it comes to bass and treble, very balanced. Via the EQ setting on the player itself to him still after the personal preferences set. To be fair, one must also say that there are better sounding headphones, for the price and the application in sports, I would sound but described as good and balanced but.
The processing makes a high-quality and trustworthy impression. From design very modern and even futuristic.
The key of volume control are coated with rubber. The integrated microphone also calls can be made easily.
Very nice is the storage bag in a high-quality mesh pocket. If still remain beads of sweat on the headphones, this may dry as well.
Conclusion:
For the sports area a solid headset with tightness in every situation. Neat sound at a reasonable price. The Sennheiser headphones is a reliable companion.