If the headset you received has only one earbud to use for the first time, then you can do as I said, delete the bluetooth name in the phone, take all the earbuds out of the charging box, and then pair it again
With waterproof technology, no need to worry about water and sweat anymore.
10mms dual drive units, enjoy 9D strong deep bass music sound.
Popular touch control function, support switch songs, phone call and call voice assistant.
Bluetooth version:V 5.1
Noise reduction: CVC8 .0
Working distance; About 10 meters
Battery life: 120 hours or so ( to be used with charging cabin )
Phone calls time: 180 hours or so ( to be used with charging cabin )
Charge the headset: 40 times or so