This is how they sound: The Air+ reproduce the bass in "Oxygene, Pt. 2" beautifully directly, but a little too little punchy, the finale of Pink Floyd's "Learning to Fly" ends in a sonic mess, and the vocals in "Where I Want to Be (California)" hiss with the cymbals of the drum set. All in all, a rather dark basic sound.

Libratone is back with a good true wireless pair. The Air+ convinced with a comfortable fit, robust housing (IP54) and a clear app. The sound is a bit tiring in the long run due to the accentuated highs.

... When the headphones are not in use, they can be stored in the charging case. With its simple plastic cover, it doesn't look particularly elegant, but it is nice and small and light. The in-ears are held in place magnetically and the charging contacts are easily accessible in case they need to be cleaned...