The main parameters 
Product Type Headset 
Headset wearing styles 
Functional use voice headset 
40mm diameter unit 
Frequency range 20-20000Hz 
Product Impedance 95 ± 3 Ohm 
Sensitivity ≥ 60dB 
≤ 0.1% total harmonic distortion 
Rated power 10mW 
Maximum power 40mW 
Headphone plug a USB interface 
Microphone parameters 
Microphone Specifications: 9.7 × 4.5mm 
Microphone Sensitivity -39 ± 3dBdB 
Unidirectional directivity 
Other parameters 
Headphone cable 2m 
Weight 400g