In fact, most Bluetooth headsets make a sizzling sound when charging, which is difficult to avoid. This is the electric current sound commonly known on the Internet. Many Bluetooth headsets, such as beats and SONY, make electric current sound when charging, and some headsets are used for noise reduction. In fact, it is difficult to avoid the sizzling sound when charging, during the use of the process, when the charging stop is a sizzling sound, however, the sound is relatively small, if the sound of the floor is particularly large, then where should there be some problems?
It is recommended that the owner of the building can go to the relevant after-sales service office, if the sound is not big, then the owner does not have to care, this is a normal phenomenon, the owner of the building can play music normally to shield the current sizzle, but it is not recommended that the owner use headphones, one is not good for the headset battery life, the other is likely to radiation power is relatively large, not good for the body itself, so, It is suggested that the owner of the building or let the earphone after the power to listen, now many earphones also support fast charging or flash charging time does not need to be very long, the owner of the building can be used after charging, so as to avoid squeaking, but also to protect the mobile phone and their own health, I wish the owner happy
Most of the current sound is normal, but also not normal, this is mainly related to the Bluetooth headset battery and anti-interference ability, these two aspects of the better Bluetooth headset generally will not be so, such as the Bluetooth headset I use with Qualcomm qcc30c chip and metal shell battery, there is no current sound when charging. It's also possible that there's current interference nearby.
It is recommended to unplug the power supply and try to reconnect it later.