Sennheiser M4 True Wireless Copper

Experience the world of exceptional sound: The TrueResponse transducer system and Lossless Audio technology provide premium sound quality and exceptional fidelity Look forward to a new dimension of sound: LE Audio and Auracast* technology have revolutionized audio streaming and combined with smart features such as customizable touch controls and multiple connectivity are always up to date* Available only with firmware update Intense listening experience or accompanying entertainment: effectively block out ambient noise with the optimised adaptive ANC function and anti-wind mode or activate transparency mode with a tap to stay in touch with your environment All-day comfort: Excellent fit and secure fit thanks to extra soft silicone ear adapter for extended listening enjoyment Always stay on the ball: 30 hours of continuous listening experience and fast charging function that allows for another hour of playback time within just 8 minutes