New in Stiftung Warentest's headphone comparison: 32 current in-ear and headband headphones. One of them delivers top sound, another is top fit for sports. In addition to the test winners, the current test offers many other good headphones. With long battery runtimes of up to almost 86 hours, the headphones with earpieces scored particularly well...

The Sennheiser HD 250BT is only available in black (from 69 euros). For the low price, buyers have to accept compromises in terms of workmanship, haptics and sound, because the model sometimes has problems with resolution and sometimes has problems with some low frequencies and guitars...

The HD250BT shows that good Bluetooth headphones don't have to be expensive. In the test, they delivered an unspectacular but really good sound. They reproduce music beautifully clear and undistorted, only the bass lacks a bit of punch. The battery life is decent, and thanks to its light weight, the Sennheiser sits easily on the head...