国产一区二区三区免费看,成年人网站免费在线观看,国内精品伊人久久久久,91偷拍与自偷拍精品,国产va精品免费观看

The self-racket poles on the market basically use Bluetooth for wireless connection with mobile phones, which inevitably generates radiation. So, is the electromagnetic radiation generated by Bluetooth self-timer rod harmful to our human body?
In fact, any electrical equipment has a magnetic field, magnetic field will have electromagnetic radiation, so Bluetooth devices do produce electromagnetic radiation. However, the electromagnetic radiation intensity produced by Bluetooth self-timer rod is not high. Bluetooth's frequency band is generally 2.4 GHz, and its radiation value is about 1 mW/kg. When the electromagnetic wave radiation is below 1 W/kg, it will not cause harm to human body.