sentences:  The patented GPS SmartSole™ feature a miniaturized GPS tracking device implanted in the insoles and powered by a rechargeable battery with a 2-3 day single charge.The GPS SmartSole™ sends signals to a central monitoring website showing the exact location of the wearer/device using a combination of satellite and cellular technology.After activating and setting up a tracking account with GTX Corp, you will be able to monitor the person wearing the GPS SmartSole™, using a computer, tablet or smartphone.