Bluetooth GPS with Navigation Software is a real time navigation system. The receiver allows you to receive positioning data from satellites and deliver the data to mobile computing devices wirelessly via Bluetooth. It provides pinpoint accuracy and thoroughly reliable tracking capabilities. The ultra low power design and long life rechargeable battery gives you 25 hours of continuous usage and eliminates constant recharging between uses. It is portable and light weight, so you can put it on the dashboard or any other location that provides a direct line of sight to the sky.