Headband headphone for Computer

SIZE OF SPEAKER 27mm  
FRENQUENCY RESPonSE 20-20000Hz  
IMPEDANCE  32±2 ohm 
SENSITIVITY 112dB±2dB  
MICROPHONE  -54db±2db   
OUTPUT POWER(NOR/MAX)  10 mW.  
PIN   2.5 STEREO/3.5 STEREO/6.2 STEREO.  
CABLE LENGTH  2M±0.2M 

Headband Headphone / Earphone for Computer