The Bluetooth™ Car Handsfree HCB-30 lets you make and take calls easily and safely while driving. You have full handsfree freedom because you can keep your phone in a case or purse getting into the car and while driving. It connects to your Bluetooth Car Handsfree without a cable or phone holder and lets you control your calls without touching the phone. Driving with Bluetooth™ is pure comfort. Conveniently placed is a five button control panel for you to activate your phone, control volume, and answer or reject calls. The Bluetooth™ Car Handsfree HCB-30 works with Sony Ericsson mobile phones with built-in Bluetooth™ and it also works with mobile phones with built-in Bluetooth™ made by other manufacturers.