Headset Functions The JOURNEY in-car speakerphone lets you talk crystal clear with HD voice and enhanced noise cancellation technology: HD voice microphone for enhanced noise cancellation Voice control uses your voice to make, take, or ignore calls Auto On/Off with built-in motion sensor Voice guidance downloads your phones phonebook and tells you who is calling A2DP allows you to stream your music, podcasts or GPS from your phone Connect to 2 Bluetooth devices at the same time Power Specifications Voice guidance allows for voice updates on connection and battery status 20 hours of talk time 45 days of standby time Approximately 2.5 hours to fully charge with the car charger and USB cable Easy To Setup and Use Jabra JOURNEY voice guidance walks you through the setup process and connecting your phone to the device. It will let you know when it has connected to your phone once in the car, and it will automatically go into standby mode if left on when you leave your car. Once connected, you can use your voice to answer/end, reject, and make calls to people in your phones contacts.