Bluetooth Sunglasses Headset Color:white Note: Moving the T-shaped needle

Note: Moving the T-shaped needle back and forth before tightening up is highly suggested so that the tile leveling system can be more easily taken out

With back-smoothing panel and 4 rows of hook-and-eye closure

No sharp corner or burrs

Avoid direct contact with the shared surfaces

With alto mouthpiece

Bluetooth Sunglasses Headset Color:white Note: Moving the T-shaped needleFeature Polarized lenses provide the best protection for your eyes in effectively prevent ultraviolet rays Comfortable wearing and secure for running, hiking, it can prevent sunlight damage to your eyesight and let you enjoy music on your journey With built in microphone, convenient to use, answering phone calls and playing music by operating Play Stop button and Volume control button. Large 180mAh capacity battery for 4 6hours talking time Fashion