beyerdynamic AVENTHO 100Red Dot Award winning design: high quality materials, replaceable ear pads and foldable housing Uncompromising sound for all applications: Active Noise Cancelling (ANC), Transparency Mode, perfect speech intelligibility for mobile meetings and calls (Qualcomm cVc) More than 60 hours playtime, up to 40 hours with ANC (Fast charging: 15 minute charge for up to 15 hours of listening time) Smart features for fast connection with multiple devices