Specification wireless speaker: 1.LED display 2.Remote control 3.FM radio,built-in Lin-ion 4.USB cable ... , support: MP3/MP4, computer, music mobile & iPod, etc3)Stereo sound design, excellent ultra-low sound4)High-efficiency digital Amplifier, enjoy pure ... good friend for tours & outdoor activities.7)LED display, with remote control,Support FM radio (optional) 8)Dual power supply modes: built ...