Why is there a difference in volume level when connecting different devices to the Xiaomi Buds 5 Pro?

The following cases are the phenomenon of automatic volume adjustment that will occur. All are normal phenomena, please rest assured that the use:
1. When connecting Xiaomi devices, Xiaomi volume protection mechanism will automatically adjust the volume to medium volume;
2. When connecting iOS devices, the earbuds will automatically synchronize the volume of the original settings of the iOS device;
3. When connecting to other Android phones, some phones do not turn on the absolute volume. It is recommended that you turn on the volume synchronization between the earbuds and your phone on the Bluetooth settings interface.
Note:
After pairing the earbuds with the phone successfully, the volume will be synchronized to the last set medium volume of the phone when the earbuds is connected to the phone again.