“ Sony Ericsson HCA 20 - Hands-free car kit „
This handsfree kit engineered for superior sound quality reduces engine and road noise up to 75% when on a call. It also supports voice control features, and Simple Music Mute silences the car radio when you receive a call. There are two options for installation of the HCA 20. One uses a phone-specific cradle and another uses a generic cradle. The generic cradle allows different phones to use the car kit without changing anything in the car.