1. Built-in antenna design makes it not like a jammer at all. It is Top Hidden .
2. Portable. Palm-sized, only 68G. Easy to carry.
3. Easy to recharge. It can be recharged as we change the Nokia batteries.
And it can be recharged directly in the car.
4. ON/OFF switch makes it used more user-friendly.
5. Low power consumption makes the jammer work continuously.
6. Full charged, it can last working about 1 hour.