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 Aura castTM & 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 True Response 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 Aura cast 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 customising 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.Bluetooth enabled for a wireless connection to your devicesConnects to devices via Bluetooth 5.0, 7mm driver, Touch on side controlsFeaturing gesture control, Active noise cancellation105m range, Bass control, Water-resistantIPX5 water resistant, Batteries required 3 x Li-Ion battery (included)Rechargeable battery, 30 hour battery life, 8 minute charging timeFast charge to boost battery lifeIn the box: Momentum True Wireless 4, Charging case, USB-C charging cable, silicone ear adapter sets in size XS/S/M/L, silicone ear fin sets in size S/M/L