Hands-free Calling - Bluetooth connects your phone and car kit so you can make and answer calls safely while driving. Hands-free calling uses the car kit speakers and microphone. And it works even if your phone's not docked.. Extendable microphone - Clip the extendable microphone to the sun visor in your car to bring it closer. With less background noise, your conversations will be even clearer.. Sound Boost - A built-in 2 watt speaker brings quality audio to your car. Hear hands-free calls and navigation instructions loud and clear with Sound Boost.. Universal holder - The cradle can be adjusted to clamp from top to bottom or side to side. The choice allows you to grip your phone without blocking the micro-USB port or pressing any buttons.. Easy-reach answer and reject buttons - The easy-reach answer and reject buttons work even when your phone is not docked. On short journeys where you don't need navigation, you can answer or reject calls with your phone in your pocket.