SUNSKY V8s Sport Wireless Bluetooth V4.1 Stereo Earphone with Mic, for iPhone, Samsung, HTC, LG, Sony and other Smartphones

Support Bluetooth V4.1+EDR technology.

Built-in Microphone: supports hands-free calls

Built-in 70mAh battery, low power dissipation, long working

180 degree adjustable ear-fit design allows you to adjust the angle to fit on your right or left ear.

You could also move the boom mic up and down,this make it very easy for people to tell if you are on a phone call or not.