Xzero X-S1828 is a small speaker offering many features which will become your vital companion. This small friend will play back music not only via Bluetooth, but also from a microSD card, AUX cable or USB. It can also be a radio and when somebody calls you, it can become a hands-free kit. But that is not all! Thanks to its large battery, it can operate for 3 hours continuously with a single charge!