Bluetooth headphones in the test - headphones with good sound and rechargeable battery

The Bluetooth headphone test delivers results for 272 headphones with and without earpieces. Which ones sound strong, have good batteries and no harmful substances. Now new in the Stiftung Warentest headphone comparison: 16 current in-ear and boom headphones. These include devices from Amazon, Beats, JBL and Teufel. Many of the new headphones sound good, five effectively reduce ambient noise, ten are suitable as headsets for the home office.