Bluetooth device for hands-free conversation and voice dialing on a bluetooth cellular phone

摘要

A bluetooth device includes a controller, a bluetooth module for wireless transmission together with a bluetooth cellular phone, a microphone, a speaker, a connector for connection to a keyboard, buttons for operating the controller with, and a memory; a database is built in the memory by means of inputting phone numbers of people to contact through a keyboard plus by means of inputting vocal data, which represent respective ones of the people to contact, through both the microphone and the controller; thus when a user wants to make a call to a person with a bluetooth cellular phone, he can dial in a hands-free way by means of making vocal signals to the microphone.