TRN CS4 Dynamic Headphones Entering Ear Wired Headphone Wire Control with Wheat Hair -class HIFI Sports Music Earplugs

Specification：

Brand: TRN Earphone Type: Wired headset Noise reduction：yes Microphone: yes Plug diameter: 3.5mm Length: 1.25m Sensitivity: 118dB Response frequency (Hz): 20-20000 Impedance (ohm): 23Ω