手機耳機3.5MM帶麥單邊入耳真空螺旋琯真空導琯彈簧耳機

Features: 
100% Brand new and high quality.
Provide high quality sound for both calling and music.
3.5mm standard plug, suitable for nearly all smartphones.
Built-in microphone, with answer and hang up button. 
Soft clear air tube design, advanced silicone earplugs.
Can enormously reduce radiation when making the phone call.
CTIA/OMTP mode switch, compatible with nearly all smartphone: for iPhone, for Samsung, for Huawei, for Xiaomi and so on.

Specifications:
Plug: 3.5mm.
Type: Stereo air tube radiation-proof earphone.
Speaker Spec: 10mm.
Sensitivity: 102db S.P.LAT 1KHZ.
Speaker frequency response: 20Hz - 20,000H
Impedance: 32Ohm.
Rated power: 100mw.
Color: Transparent

This earphone uses the Medium size earplugs.
In the parcel shipping to you, there are Two Extra Earplugs included (One large size and One small size).