Evary Bluetooth 4.0 Wireless Aluminum Sport Headphones Hands Free Stereo Headset Noise Cancelling Earphones with Microphone for Smartphones/Devices and More(Red) 1.Multi-pairing:BH-01 can connect with two Bluetooth cell phones at the same time. 2.Hands free,it built-in microphone allows you to answer and end calls. 3.High Quality Guarantee: Noise cancellation makes you enjoy a clear sound in noisy occasion. 4.Easy Access: The simple user interface on one of the earphones allows you adjust the volume, play/pause, select songs and answer/hang up calls completely effortlessly. 5.User-friendly Design:The design of wireless sport headset is defined by the geometry of the ears, more comfortable than normal in-ear headphones, it will not slip out from ears easily, and it is resistant to sweat and water damage, great ideal for using on the go and in sport activities.