Jabra Tour Bluetooth In-Car Speakerphone - Black Designed for great sound with HD Voice, noise cancellation technology and an extra large speaker Voice Control activates your Android or Siri voice engine; control Jabra Tour with your voice including Answer/Ignore, Pair New Device, Battery and Phone Command voice commands Built-in motion sensor for Auto On and Auto Off, when device is not in use to save battery life Easy to set up. Just pair to your phone and place Jabra Tour on your sun visor In-car charger with additional USB cable so you can charge on-the-go; Up to 20 hours of talk time and 45 days standby time - Optimal decibel range 95 - 101dB