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. Adaptive Noise Cancellation (ANC): Automatically adjusts noise cancellation to surroundings, providing an immersive listening experience. Future-proof technologies: Step into the future with Auracast™ support and LE Audio* and enjoy the latest codecs with Bluetooth® 5.4 compatibility. All day comfort: Assorted sizes of soft silicon ear tips and fins ensure a comfortable fit for extended listening sessions. Sound personalization: Choose between multiple ways of customizing your sound: guided tests for personalized sound profiles, adaptative 5-band EQ, Sound Zones, Sound Check or pre-set modes. Up to 30 hours playtime with new battery system and fast Qi wireless charging: 8 minutes of charging thanks to our battery protect mode for 1 hour of playback. Lossless Audio: Guarantees flawless bit-by-bit transmission of audio, maintaining uncompromised sound quality during wireless listening.