SpecificationsSound: stereoFrequency response: 20 Hz - 20 KHzSpeaker size: 50 mmSpeaker impedance: 16 ΩSpeaker sensitivity: 108 dB ± 3 dBMicrophone type: omnidirectionalMicrophone size: 6x5 mmMicrophone sensitivity: -42 dB ± 3 dBBacklight: rainbowConnectors: USBCable length: 2.1 mFeaturesClosed, over-ear design for powerful bass soundsSoft-cushioned leather ear cupsSelf-adjustable headbandBuilt-in volume controlSolid, reinforced structural housing