The Linkbuds WF-L900 combine smart functions with a successful sound that even surpasses the Bose headphones for our taste. Conceptually, however, the Sony device is closer to an in-ear than an open-ear headphone - this has many advantages in terms of sound, but it is not quite as reliable in traffic.

The imperceptible in-ear is sensitive to its surroundings and ergonomically designed for continuous use. Despite the sophisticated app, there is still room for improvement in the sound quality.