* [Button Control] 3 buttons can easily control music and call – answering/ending calls, playing/pausing, previous/next songs, and volume +/-.
* [Polarized Glasses] It can eliminate glare to alleviate eye fatigue, give you a clear vision, and provide good impact resistance to protect your eyes.
* [Perfect Combination] The BT headset sunglasses perfectly combines Polarized Glasses with BT 4.1 Headset. Compatible with almost all BT-enabled audio devices.
* [Hands-free with Mic] Built-in microphone supports hands-free calls. Suitable for outdoor activities, such as cycling, fishing, driving, climbing, playing golf, etc.