Use signal jamming devices for self control
For those people who are poor in controlling themselves in playing mobile phones, they can chase their cell phone jammer without hesitation because with this smart kit, you can have a good habit to make phone calls and raise a high standard in using cell phones. The parents or bosses will give great support to such great invention of the WIFI signal blocker because they have a more wise way to stop their children or staff in the game world, they just want them to be healthy and more focus on what they are doing. Without the disturbance of the WIFI and mobile phone world, they can focus all their attention and follow their dreams all the time. Of course it is just a stupid way but the most simple way to improve their self-control ability. For many, such a device is a boon. When we need to be quiet, we can turn on the device and do the work quietly without being disturbed by anyone.