ECVISION Plug And Play Muti-Colored Illuminated Fountain Water Speakers All necessary connection cords included With a 3.5mm audio input, you can connect the speaker with your other 3.5mm-jack audio devices, such as cellphone, PC, MP3, MP4, etc., to play music. Multi-colored water jets make the water dance to the beat 4 multi-colored LEDs create an incredible light show.Bring your music to life enhancing your sound experience with glowing Standard USB power plug, no battery power supply. The liquid using plant oil rather than water is more security non-conducting.