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

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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