Features:50MM Neodymium driverBuilt with high performance 50MM neodymium magnet drivers to ensure you the best sound quality.Extra comfortable over ear pads100mm extra large soft over ear pads for more isolation and comfort.Built in LED lights, single color of red/green/blue/orange, or RGB lgihts.Retractable microphoneRetractable microphone, flexible, convenient, durable and does not get lostSpecification:Driver Diameter: 50mmFrequency Range: 20-20.000HzSensitivity: 105 dB( at1 KHz, 1mW )Impedance: 32 OhmCable Length: 2.1mDimensions: 4.0×1.5mmDirectivity: OmnidirectionalSensitivity: -48dB 3dBFreq. Response: 50-10 KHzPackage Included:1 * Headphone1 * Manual