Symaxio Pulsar Wireless Bluetooth Headset With Microphone - Black Headphone has built-in noise-cancelling microphone, which reduces background noise giving you crystal clear voice clarity even in noisy environment Bluetooth V4.0 powered earphones with Voice Prompt and LED Indicator. Super easy and fast pairing with your Bluetooth-enabled devices. Get connected within seconds! Make or accept a call or listen to audio while on the go Compact and lightweight earphone with adjustable ear hook and extra soft gel ear bud for comfortable fit in either ear. Answer calls hands-free. Designed with a functional user-friendly interface so you can control music and call functions from your phone Universally Compatible