Why did the university choose cell phone jammers
Why choose to use cell phone jammers in school? It starts with the current state of educational institutions. At present, almost every student is equipped with mobile phone, so when teachers are in class, many students are using their own mobile phone, which has caused great obstacles to teaching. Therefore, out of the need of education, many schools have bought cell phone jammer However, experts say an adult especially students should only use mobile phone within 1 hour. The overuse of cell phone will cause many health problems like cervical diseases, cerivcal disc degenerative disease. In the long run, it may cause more serious problems like cardiovascular disease, sleeplessness, hearing loss etc. Moreover, the increasing eyesight failure also results from the overuse of cell phones.