Andoer BM170 Outdoor Sport Neck-strap Style In-ear Wireless Sport Stereo Bluetooth 4.0 + EDR Hands-free NFC Music Headphone Earphone Headset with Microphone for Smart Phones Tablet PC Notebook Black The sport stereo Bluetooth headset uses stylish shape design. It uses the renowned stereo Bluetooth 4.0 chip to ensure high-fidelity sound quality, stable performance and excellent communication effect Supports NFC (One-touch pairing: Near Field Communication technology, complete the paring between two Bluetooth devices with simple tap.) and hands-free call Enjoy music wirelessly, easy to switch between calls and music, you will not miss any incoming call whilst listening to music. Flexible neck-strap with memory function (Easy to carry and custody) Built-in high-performance Microphone and Speaker Uses the 6th generation CVC comes with high efficiency noise reduction and echo cancellation, offering the great sound quality Supports paring with two Bluetooth-enabled devices simultaneously. Compatible with almost all Bluetooth-enabled mobile devices such as, for iPhone6 6Plus 5S, for Samsung Galaxy S5 S4 S3 / Note 4 3 2, for HTC One, Tablet PC, Laptop, etc. And, it supports auto-reconnect