Features:
1. Bluetooth 5.0 has extensive compatibility
2. Dynamic driver, unique sound cavity design to prevent hearing damage
3. The open-ear design allows you to listen to music and answer calls at the same time you can listen to the world around you and hear notifications from the glasses
4. Built-in noise reduction microphone, allowing you to make and receive calls
5. Very suitable for outdoor activities such as cycling, running, driving, boxing, fishing, basketball, shopping, etc.

Product specifications:
1. Battery capacity: 120mAh
2. Standby time: about 180 hours
3. Charging time: 2 hours
4. Playing music time: about 6 hours (depending on the volume and sound source)
5. Continuous talk time: about 4-6 hours
6. Wireless transmission distance: about 10 meters