Haven't used it yet. It's an electric product, but it's very light, so I'm not sure if it works well or not. I don't know the exact usage method. Haven't used it yet. It's an electric product, but it's very light, so I'm not sure if it works well or not. I don't know the exact usage method. Haven't used it yet. It's an electric product, but it's very light, so I'm not sure if it works well or not. I don't know the exact usage method. I'll use it again after using it.