The ZRS-164 is a car stereo unit manufactured by the Chinese company, Asiatech. The stereo unit is compatible with both Android and iOS devices and can be used to control various functions of the car. It can be used to control the entertainment system, navigation system, and other vehicle settings. It comes with features like touch screen display, Bluetooth connectivity, radio, and a USB port. It also has an array of advanced features such as voice control, voice recognition, hands-free calling, and more.