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.Wireless Technology: Bluetooth Black Polarized lenses which can filter light and protect your eyesight Fashionable design with foldable eyeglasses.Earphones built directly on to the frame,
