Agreed. Wireless headphones built-in lithium battery is also 3.7V, your mobile phone built-in lithium battery voltage is the same specification, the difference is that the built-in lithium battery capacity is large, and the built-in lithium battery capacity of the headset is very small.
In addition, the built-in lithium battery voltage level of the wireless headset charging bin is the same as them, and you can use a 5V charger to charge, but the charging time is different.
Yes, the interface of the wireless headset is type-c, and the data cable of the nuclear mobile phone is the same