You can carry a portable jammer when you go out

The latest smartphones work well, but I've had moments of despair in places like libraries and grocery stores. There are many stories about the wide use of mobile phones, but there are annoying uses, and we are very distressed by the noise of mobile phone calls. There are many stores of GSM jammers. A radius of 10 feet may block the reception of mobile phones. This product is a way to suppress phone signals. The use of mobile phones…