The mini usb gps jammer can block the gps signals which can help you avoid gps tracking. And this usb blocker is very convenience because it can be charged by your android cell phone,computer,car charger,mobile phone charger with its usb and android charging interface.
Small size,light weight,easy to carry
Usb port, can work in mobile phones, computers and other configuration of usb devices
Jamming frequency: GPS (1500 - 1600MHz)
Jamming radius : Up to 5 meters(depending on the signal strength in the given area)
Supply voltage: DC 3.7 - 6V
USB interface(Portable battery,Computer,Mobile phone charger,Car charger)
Dimensions: 68 * 20 * 10mm