Smart Bluetooth Sunglasses

Specifications: Style: Earbuds Vocalism Principle: Bone Conduction Active Noise-Cancellation: Yes Material: ABS Control Button: No Communication: Wireless Volume Control: Yes Category: Earphones & Headphones Wireless Type: Bluetooth Function: Sport Function: For Outdoor Choice: yes Characteristics: Strong compatibility and low power consumption of Bluetooth 4.1. It can not only answer the phone, but also listen to music. Automatically switch to telephone call mode when making and receiving calls. Has previous/next song control, volume up/down control. The ultra-light design adopts ABS and PC materials to make it lighter and comfortable to wear. The compatible with Bluetooth devices such as iPhone/SAMSUN/Huawei/Xiaomi/iPad. Fashion design, fashion sunglasses + wireless headphones, suitable for driving, cycling and hiking. Protect your eyesight. Black polarized smart lenses can filter light and protect your eyesight. The multifunctional glasses, foldable glasses design, hydraulic t