Super mini mobile WiFi signal jammer.
This is a mini hidden type jamming device. It has many advantages:
First of all, the design of this device is very portable. It has very small size (95mm*48mm*17mm), can be easily put into pocket or backpack. Second, the device has a very strong concealment. The device looks like a portable power source, can ensure that you are not easily perceived by others during your use.
More information on cell phone jammers, please visit:
https://www.perfectjammer