Can be used with devices such as dash cams, ipads, android tablets, GPS units, and laptops. It will give the device GPS capability, or improve on it.
This device uses SiRFstarIII technology to track 20 parallel satellites. It can operate for at least 8 hours on its built in rechargeable battery.
Some models of GPS units connect to USB instead of Bluetooth.
Sources:
https://mashtips.com/best-external-gps-receivers/
https://amzn.to/3BepKjF (Affiliate link)