Latte Communications Movon Bluetooth Handsfree Car Kit - Silver Phonebook function: Download and Save up to 500 contacts from a mobile phone by Object push profile Enhanced audio quality is achieved through DSP technology, including and Noise Suppression and Echo Cancellation Full-Duplex: Speak and listen to the other side simultaneous Caller ID Display: 2.2-Inch wide LCD with 14-digit display Hotline button: Make a call by only pushing a Hotline button to the number you can designate