50 Hours Battery Time: Enjoy up to 50 hours of exceptional battery time on a single charge when Bluetooth and ANC (Active Noise Cancelling) is on. Sennheiser Signed Voice Character: Experience high-quality sound with magnetic circuits designed and manufactured by Sennheiser. Hybrid ANC: Block out distractions, focus on the sound, and accompany your music with the effective Hybrid ANC. Clear Mode: hear the sound around you with just one touch without removing the headphones. Customizable Audio: Make the audio appropriate for your preference, content you are listening to and your environment with predefined audio modes, Bass Boost, Podcast mode and built-in 5-band equalizer. Ultimate Comfort: Equipped with soft touch silicone headband and deep ear pads with a lightweight ergonomic design to provide all-day comfort. USB-C Charging: The USB-C port allows the headset to be charged smoothly, while the fast charging function saves you time. Controls: 4 buttons to control functions such as Voice Assistant access easily via the headset. Foldable Design: Free-moving connectors provide easy carrying and storage. High Quality Voice Talking: Make crystal clear voice calls via 2 microphone sound beam technology. Controls: 4 buttons to control functions such as Voice Assistant access easily via the headset. Foldable Design: Free-moving connectors provide easy carrying and storage. High Quality Voice Talking: Make crystal clear voice calls via 2 microphone sound beam technology.