Amazon.com : https://www.amazon.com/gp/product/B00PU912ZS?tag=eatingwelldia-20
Audiofly 33 Series Headset with Microphone Piano Black
Product Description :
Driver type 9mm Dynamic Driver
Magnet type Neodymium
Frequency Range 20-20kHz
Cable length 12m Plug type 35mm gold plated
Impedance 16 Ohms Sensitivity 116dB at 1kHz
