Black technology Bluetooth earphones can be used as glowing fingertip gyroscopes with ultra long battery life. They are a pressure boosting tool for young people and can rotate earphones

Wearing method
In ear style
Waterproof level
IPX5
Headphone category
Business call earphones
Battery life
36 hours or more
transmission distance 
10m (inclusive) -15m (exclusive)
Bluetooth function
Bluetooth 5.4
Is it equipped with a screen
Without a screen