Brand New KOMC B19 USB Stereo Headphone with Mic 
 
	
High precision 40mm closed dynamic driver which bring you vivid clear sound and clarity.
	
Soft ear cushions allow for long wearing comfort.
	
Frequency Response: 20Khz- 22 Khz.
	
Powerful bass & dynamic stereo output.
	
Noise-cancelling on Microphone