Original MOXO X-1 Maglev Portable Leisure Wireless Bluetooth Speaker White Features:Built in 1500mAH lithium battery, support for up to 10 hours of continuous playback timeMagnetic base USB interface, can be used for speaker ball charge, but also for mobile phone charging.Bluetooth 4.1 supports faster data transmission speed and more stable audio fidelityThe design of amplifier circuit, with the boost 5V, class D power amplifier, built-i