GH HP Headphone

Sound: stereo Frequency response: 20 Hz – 20 KHz Speaker size: 50mm Speaker impedance: 21Ω ± 15% Speaker sensitivity: 109 ± 3dB Microphone type: omnidirectional Microphone sensitivity: -38 ± 3dB Backlit: 7 colors Connectors: 2×3.5mm jack, USB(for LED light) Cable length: 2.2m