Suitable for C550 headset straight plug-in headset Android phone universal

*Headphone type earbuds

 *Wearing method In-ear

 *Headphone output source 

*Universal plug diameter 2.5mm 

*Plug type In-line type 

* Whether wireless headphones wired headphones 

*With or without a microphone 

*The principle of sounding 

* Frequency response range 5-4000 (Hz) 

* Impedance 16 (Ω)

 *Sensitivity 160 (dB) 

*Distortion rate 1 (%) 

*Wire length 1.5 (m) 

* Horn diameter 40 (Φmm) 

* Earplugs / earmuffs material Plastic

  *Headphone cable material TPU