Oisound Wireless Bluetooth Music Fountain Dancing Water Speakers (Black) Wireless Bluetooth Fountain speaker with Line in fucntion 4 RGB LEDs (purple, blue, green, red)create an incredible light and water show Volume control from your bluetooth devices like mobile phone, Iphone, Ipad, PC etc. USB Power from your PC, mobile phone adaptor 2.0 dual channel bluetooth with line in function to deliver surround 360 degree stereo sound