Opt for rich and powerful sound in a portable design. With this Bluetooth speaker, you can enjoy your favourite music anywhere. Take it with you to the park, swimming pool or beach, for example, without having to carry it. You can easily control the music via Bluetooth on your mobile phone. Phone calls can also be answered from the speaker... thanks to the built-in microphone. The Sonic Boost can play up to four hours of music without having to charge it in between.