One touch pairing via the NFC function, You can also connect two smart phones on stand-by mode. Powered by the latest high-quality sound technology "HD Voice" and environmental noise "CVC (Clear voice capture)". I can achieve more clearer call. In addition, because it supports the music function (A2DP), you will be able to listen well. With the excellent canal type fit you can achieve a more stable sense of mount if you use the included ear hook. It is not annoying, even while wearing a long period of time.