
The 2009 Focus can connect to . Here is the relevant introduction to car Bluetooth: 1. Essence: Bluetooth technology is an open global standard for wireless data and voice communication. Its essence is to establish a common radio air interface for the communication environment between fixed or mobile devices, further integrating communication technology and computer technology, enabling various 3C devices to communicate or operate with each other within a short range without wires or cables connecting them. 2. Function: The main function is to connect with a mobile phone via Bluetooth technology for hands-free calls during normal driving, achieving the purpose of freeing hands and reducing the risk of traffic accidents. It automatically identifies mobile phones and can connect with them without the need for cables or phone holders.


