The foam lining that absorbs the sound is excellent. Comfortable to use, do not pinch your ears with RGB side lights, excellent and beautiful 50 mm speakers, which perfectly combine the medium and high tones. Built-in microphone and external noise reduction system Connect Audio USB 7.1. Characteristics of 2.2 metre long HP (H360) black brand model HP H360 Frequency range 20 Hz-20 kHz impedance 32 ohm