4 bands,handheld jamme / portable Signal Jammer ,meeting room /office use

Description:

This is a portable type mobile phone signal shielding device .It is  easy to carry, flexible to use, also with built-in high capacity battery . Full charged, it can last working about 90 minuters.

With leather case, can be tied at the waist or arm.

 also can with optional car charger/adapter,it can be used in car ,battery charging from the cigarette lighter.

Specifications: