The JBL OnBeat Mini Speaker Dock features a built-in dock for a Lightning iPhone, iPod or iPad. On the technical side the speaker is equipped with two JBL full-range transducers with integrated digital signal processing. The system is powered either by its built-in rechargeable battery (for Up to 8 hours) or AC power using the included adapter. Additional conveniences include a USB port, 3.5mm stereo audio input and LED indicator. Also It is compact and lightweight (1.8 lbs) for easy portability.