[1] The role of passive noise reduction.
In terms of passive noise reduction, the current social environment is relatively noisy, for example, on the subway, on the bus, there may be other noises in every place. The better ear pads of Bluetooth headsets are now better, soft and comfortable, and have a certain isolation effect on external noise. It has a certain passive noise reduction effect.
[2] The role of keeping warm in winter.
In the cold winter, go out, bike, and run. The ears are often red with cold. So today I will introduce to you that Bluetooth headsets can protect your ears in winter. When running in winter, you can listen to songs and protect your ears. This feature. The little friends in the north should be able to use it.
[3] The role of cool pretense.
As the saying goes, if you want to pretend to be a good one, a Bluetooth headset is indispensable. Go shopping and play, take the subway, and bring a Bluetooth headset, which can reduce noise, listen to songs, and is very cool.
