Dsloger LED Dancing Water Music Fountain Light Speakers for Phones Computer Laptop Black / White - superior sound quality and high volume. - Concise appearance design, melody perfect match With water dance and LED lamp. - through the music player volume and tone control water dance beats. - Compatible With all the music players, such as MP3, MP4, PSP mobile phone, computer, iPhone, iPad, iPod, etc. - standard USB power plug, no battery power supply.