Levin Water-Proof Bluetooth 4.0 Version Sports Headset With Earhook, NFC & Dual for iPhone, iPad, iPod, Samsung Galaxy, Samsung Note, Sony, LG ,Android Phone,Windows Phone - Blue WATERPROOF TECHNOLOGY: This headset is designed for sport use, made by waterproof material , it would be a good choice for you to run APT-X TECHNOLOGY: &nbsp;CSR chip and APT-X technology will provide you CD-quality and superb bass sound by this headset while you are doing outdoor activities COMFORT FIT: Light-weight (only 20g) for active workout lifestyle, the cable with earhook make it easy to wear .Your ultimate comfortable choice for wireless music and call when training FAST and STABLE CONNECTION: Easily and quickly paring with your smart mobile phones under the support of Bluetooth 4.0 and in-built NFC chip DUAL-MICROPHONE: Dual ,High -performance microphones deliver superb noise cancellation,so calls come in crystal clear.You just need to press on button when phone call comes