Product Description

SJ***4 is a small pocket size cellphone jammer with band setting by PC. The jammer is designed for personal use. It will help you protect yourself from the threat of eavesdropping via cell phone (even when cellphone is switched off can listen to conversations at a distance of several meters). In addition, the device will allow you to suppress any activity of cellular phones in the room, thus giving the opportunity quietly and intently to conduct a meeting, a lecture, a spectacle, a examination, a presentation, to defend a thesis etc. Wherever you need to maintain secrecy, SJ***4 will be simply indispensable. Built-in antenna Non-conventional jammer design Universal charging from PC USB or from charger Frequency setting by PC 2 separate channels 5 frequency settings