Sennheiser Wireless Earphones MOMENTUM True Wireless 4 Black Copper High Performance Driver 30 Hours Playback Hybrid Adaptive Noise Cancellation

“Attractive” evolution True sound experience: Upgraded high-performance TrueResponse transducer with a single in-house developed 7mm dynamic driver Equipped with the new latest codec LC3 (LC3 and Auracast will be supported at a later date with a firmware update after release) Refined active noise canceling (ANC) and external sound absorption function Play up to 30 hours with new color