Bluetooth and Wi-Fi are similar technologies at the basic conceptual level, but they have very different real-world applications in the car or the home. The primary way to use Bluetooth in a vehicle is to connect the phone to a stereo system, whereas Wi-Fi is typically used to share Internet connectivity with other devices, such as a host or tablet, via phone or hotspot. There is some overlap, which can lead to confusion between the differences between Bluetooth and Wi-Fi, but these technologies are actually very different when you look closely. Bluetooth knowledge Bluetooth is a wireless networking protocol that was originally developed to take the place of clunky old network cables. It works by allowing two devices to connect to each other wirelessly via radio frequency transmissions. In fact, it operates in the same 2.4 GHz band used by many non-Bluetooth wireless peripherals like mice and keyboards, some cordless phones, and even some Wi-Fi networks. The range of a Bluetooth...