Bluetooth Carkit Hands-free module is developed for organization, company and individual who are specialized in developing Carkit hands-free system. It realizes the combination of Bluetooth Headset profile and Bluetooth Hands-free profile as the core of Carkit Hands-free system, which is developed as the Bluetooth criterion 1.1. It supports any phones with Bluetooth criterion 1.0 or 1.1 and 1.2. Aim at different Bluetooth mobile phone, the Bluetooth module will switch to different Profile.

Bluetooth Carkit Hands-free provides PCM/Audio interface and UART interface. The main external controller can realize application of Carkit Hands-free by UART interface, include: Dial-up by hand, dial-up by voice, incoming display, receive a call, refuse a call, switch freely between Hands-free and mobile phone, acoustics keep silence automatically when talking, talking volume adjustment(15 steps), LED indication etc. And it can memorize multi Bluetooth phones'pairing information, and multi phones can use this module in turn without repairing.