Bluetooth 5.1 20 KHZ 3.5 Hour Bluetooth Smart Glasses For Mobile Phone

Product details 

Product Features

1. Double-sided multi-coated lenses, light and thin structure, high-definition vision, blocking glare, effectively isolating ultraviolet rays, not afraid of strong light, and protecting eyes.

2. Sound directional transmission technology: Our unique cavity separation technology can accurately project sound to a specific area, whether it is listening to music, or making or answering calls, only you can hear it, and people around you can hardly hear it. At the same time, you can also get the sound of the outside world, making your safety more secure.

3. Using Bluetooth 5.0 chip, the transmission speed is faster, more stable and more compatible.

4. Comes with a large-capacity 90mAh dual battery, 2 hours of fast charging, 120 hours of standby, and 5 hours of continuous use.