1. Connector type: USB
2. Smaller and easy to hide
3. Automotive application function: GPS signal detector
4. To better protect your whereabouts privacy
5. LED display facilitates reading at night
6. Plug and play, easy to operate
7. Can only block card-free GPS signals and 2G signals
2. Smaller and easy to hide
3. Automotive application function: GPS signal detector
4. To better protect your whereabouts privacy
5. LED display facilitates reading at night
6. Plug and play, easy to operate
7. Can only block card-free GPS signals and 2G signals