Exceptional sound The 40mm speakers produce a wide dynamic range and ensure an exceptional listening experience. Cross-device and cross-OS compatibility Compatible with all USB-C devices on Windows, macOS, iOS, Android and Chrome OS. High wearing comfort The adjustable headband is padded and the foam ear pads are wrapped in a soft faux leather cover, ensuring you stay comfortable for hours Comfortable to wear. Passive noise-cancelling microphone Filters out ambient noise and thus ensures a optimal voice quality. Maximum volume Limit the volume to 94 decibels to protect the ears from hearing loss due to listening to music at excessive volume.