speeCup Bluetooth Speaker with Voice Activation - Siri & S Voice Interface & Gesture Control (White) Integrated noise canceling microphone for hands-free communication Intuitive top mounted smartControl for play/pause, track change, answer/place mobile phone calls and access voice commands Built-in rechargeable lithium ion battery provides up to 20 hours of use at full volume Use as a speakerphone for your smartphone or cell enabled tablet Aux line-out jack allows you to use speeCup as a Bluetooth hub to your car's sound system or home stereo system to link the tunes on your device for optimum listening enjoyment