Sennheiser has launched its latest true wireless earphones. The new Sennheiser CX 400BT earphones deliver up to 20 hours of battery life with the included charging case and is designed to deliver high quality audio at a more affordable price point.
https://www.notebookcheck.net/Sennheiser-launches-CX-400BT-TWS-earphones-offering-premium-sound-at-a-more-affordable-price.491272.0.html