The car head unit usually comes with a touch screen to control an in-dash car stereo, and it is also called as “car stereo”, “ car radio”, “car DVD player”, and “ sat nav”. You may tell the functions of a car head unit from these names, speaker, radio, navigation, CD/ DVD player, which are the most basic functions you can find in the head unit of a car. (if you are looking for a cost-efficient unit, WinCE OS-based car head unit may suit your requirement well.)
Despite the WinCE or Android OS, Bluetooth connectivity is listed on the major functions of a car head unit to provide users the easy and cozy driving time. Music streaming, hands-free calling, and phonebook access and sync are all available thanks to the Bluetooth function.
Some other people call the car head unit as an infotainment system, or multimedia car player, as many other functions are possessed in such a unit. For example, smartphone mirror-link, steering wheel audio control, USB/ SD card input, reverse camera display. The Android OS-based head unit offers you free downloading options and more powerful functions if your budget allows. Popular functions including Android Auto/ Apple CarPlay driving assistant, DAB+ digital radio, OBD car diagnostic tool, are integrated or optional.
All in all, any functions that may help to make your driving comfier, safer, and smarter, the car head unit manufactures are all taken into serious consideration.
Do remember to check your original car radio height (1 Din or 2 Din) before picking the size of the display screen if you want the new car head unit can be fit perfectly.