Retevis Black 1 Pin 3.5mm Throat MIC Earpiece Covert Air Tube Earpiece For Universal Mobile Phones I

Features :

Sensitive throat vibration microphone-can pick up low voice.
Clear communication in even most noisy environment.
Transparent flexible acoustic tube.
Soft plastic earbud fits snugly to ear.
Sweat resistant in?ear part.
Press the button lightly in the line to stop talking.
One spare plastic earbud included.
3.5mm standard plug.

? Specification :

Color: Black
Weight: 33g

? Package Includes :

1 x Pin 3.5mm Throat Mic with 3.5mm standard plug ? Details Pictures :