Step into the future of listening with MOMENTUM True Wireless 4 by Sennheiser. Discover personalized crystal-clear sound through the TrueResponse system. Enjoy lossless audio Sound Personalization Bluetooth 5.4 and Auracast support. The ergonomic design offers all-day comfort. Benefit from adaptive ANC Transparency Mode and a 6-mic system for calls. Revel in 30 hours of listening and timeless Sennheiser quality in stylish finishes.