Vehicle hands-free unit

A vehicle hands-free unit is incorporated in an assist handle (1), which is mounted at a side of a driver's seat for listening a voice of the other party, and includes a front part mounted with a speaker (2), a secret conversation button (3) for transmitting telephone call signals to an ear microphone for personal telephone call, a reproduction button (4) for reproducing recorded conversation contents, a recording button (5) for partially recording conversation contents, a conversation button (6) for receiving a telephone call, a side part mounted with a microphone sound level control lever for controlling a microphone level, a microphone connection jack for alternatively connecting the ear microphone, a sound level control lever for controlling the sound level of receiving, a microphone for converting sound signals to electric signals to be transmitted to the other party, and an interior part mounted with a main board including a voice recognition controller, a recording control part, a car stereo control part, a digital signal processing part, and a power supply part.