:metal diaphragm, , astonishing hifi level sound ,portable Mini :support dual speakers connecting together, allow you to connect to dual speakers at once to enjoy surround experience,mini Portable : 50 technology, 10m transmission distance, stable and fast transmission,stereo speakers with LED lights Teenage : workmanship, reasonable structure, professional and practical, can bring you convenience,night light speaker Desktop speaker:color and wonderful light color, your night not only has great music, but also light to promote atmosphere,music player