Wireless Bluetooth Sunglasses for Men Effectively Prevent Ultraviolet Rays and Harmful Blue Light Polarized Sports Sunglasses Support Wireless Headset and Hands-free

Notes for bluetooth connection:
?When your phone is connected to bluetooth glasses for the first time, turn on the phone and glasses bluetooth, and wait about 1 minute, the phone will display the glasses bluetooth logo, and then click to connect.
?When the same phone is connected to the same glasses for the second time, turn on the phone and glasses bluetooth, it will automatically connect.

Products Features:
? Import Polaroid polarized lenses provide the best protection for your eyes. Effectively prevent
ultraviolet rays, bewildered light and harmful blue light. Anytime you wear it very clear.
? Headset using the latest earplugs, can be taken apart and wearing comfortable.
? Max. Volume: 88db with a better sound quality.
? Built-in Li battery provides about 8 hours continually talking and Bluetooth standby time of 7-10 days.
? Easy to carry and suitable for various occasions.

Bluetooth Specification
? Comply with Bluetooth protocol V4.1
? Frequency: 2.4GHZ
? Transmission maximum range: 10 meters
? Continuous talking time: about 8 hours
? S/N?60Db
? Standby time: 8-10 days
? Operation Temperature: -10-55