4.1 Bluetooth Stereo Music Headset Sunglasses

1.perfect combination of durable and fashion 2.polarized lenses, offers anti-glare and ultraviolet protection 3.auto switch to phone talking mode when making and receiving calls 4.with previous/next song control, volume up/down control 5.bluetooth v4.0, support both headset and hands-free profiles 6.built-in rechargeable lithium battery, comes with mini usb cable 7.not only can answer the call, but also used to listen music.