Features: Support both headset and hands-free profiles, calling voice and Reporting phone number function when calls coming.Bluetooth 4.1 Music sunglasses, can listen music, support iPhone iPad iPod Samsung Huawei Xiaomi Smart Phone PC Tablet and so on.Auto switch to phone talking mode when making and receiving calls. Support Mp3 can listen music, with Previous/Next Song control, Volume Up/Down control.Made of polarized lenses, it has the function of anti-rays, no glare and good eye health care. Hi-Fi earphones built directly on to the frame, and can be adjusted 270 degree for comfortable fit. Note: Make sure the battery of the glasses has sufficient power, Otherwise it will not work properly.Please don’t let the glasses too far from the phone, distance≤10 meters.Read the use manual carefully and use it accordance with the method of use. Make your life fun and convenient When you are climbing or fishing , wearing these glasses can not only prevent the dizziness of the light, protect your glasses, but also listen to wonderful music.When you are riding or driving, listen to your favorite music, when there is a call, the glasses will immediately broadcast the caller number to you, then you can answer and hang up with one hand.These glasses are specially designed for outdoor activities, suitable for a variety of different places and activities, you can change the lenses of different colors according to your own preferences.