With the SP0055, you have an ideal companion for on the go: thanks to the strap, you can attach the small and compact speaker to your rucksack, e.g. when hiking, and enjoy your favourite music in optimum sound quality. Whether from a Bluetooth smartphone, tablet or computer, you can now play everything wirelessly. You can also play music from a microSD card or USB stick or listen to FM radio in comfort. Another particularly practical feature is the in-built hands-free system that allows you to answer calls at will. It couldn't be simpler or more convenient.