Cell phone calls in the car are easier--and safer--with a Bluetooth hands-free speakerphone. This cordless speakerphone fits over your car's rearview mirror and includes a built-in LED display to show incoming phone numbers. If you're still talking when you leave the car, pull the mini headset from the side of the mirror and the call switches automatically. Includes 12V auto charger. Requires Bluetooth-equipped phone. Please be aware of all laws regarding mobile phone use, which vary by jurisdiction.