Over-ear headphones, HiFi/Stereo, Bluetooth, version 5.3, wireless, additional wired operation possible, multipoint capable, noise reduction function (Noise Cancelling), headset function with integrated microphone, volume control, noise cancelling microphone, music track control, call answering function, detachable cable, single-sided cable management, semi-open system, frequency range 20-20,000 Hz, 3.5mm jack, USB-C port, battery operation, battery life up to 65 hours, compatible with Apple Siri, Google Assistant, USB cable