... USB/SD card reader: 1.3.5mm Audio cable 2.USB cable 3.FM radio, earphone function Features: multimedia speaker with USB/SD card reader ... time play4.Using new technology, Nice acoustic fidelity5.Build-in flash memory(optional),can storage large quantity music and ... port7.Full function LED pilot lamp, build-in mp3,mp4,laptop,mobilephone as peripheral speaker. multimedia speaker with USB/SD card reader