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High power wifi killer adjustable jammer

Nowadays, there are mainly Apple and two types of mobile phones in the world. Mobile phones have brought us more convenience. At the same time, they also have some negative effects. How many children are addicted to mobile phones, learn to delay, and ringtones bring noise. Adults. People use today. People invented mobile phones such as wifi jammer to block cell phone signals and make you no longer addicted to mobile phones.