Type:Stereo headphone with Mic.          

Speaker Size:40mm  

Frequency range :18-20,000Hz        

Sensitivity:116dB ± 3dB  ( at 1 KHz, 0.5 Vrms )      

Impedance:32 Ω          

Cable length:≤2.2meters             

Jack: 3.5mm/2          

Microphone (Sensitivity: -58dB ±2dB Frequency range :30-16,000Hz)

earphone