Edifier G20 Gaming Headphone

Edifier G20 Gaming Headphone 7.1 Virtual Surround Sound Rotatable Unidirectional Microphone Inline remote with mute switch and volume control Digital Audio Processing Technology 40mm high magnetic neodymium unit Specification: Driver unit: 40mm Impedance: 40 Ohms Sensitivity: 98dB SPL/mW Weight: 0.25kg