Experience advanced wireless audio and step into tomorrow with MOMENTUM True Wireless 4, our latest generation of earbuds. Immerse yourself in sound that’s tuned to your hearing and preferences. Discover future-proof features like Auracast & LE Audio with adaptive ANC and up to 30hrs playtime. Sennheiser signature sound: Delivers exceptional sound fidelity, ensuring every detail and emotion is heard just as the artist intended thanks to our TrueResponse transducer system which delivers a high-end sound experience with impactful bass and a refined treble response.