Glodeals(TM) Rechargeable Bluetooth Water dancing Speakers Music Fountain Mini Amplifier Muti-Colored Illuminated Speaker Universal Stereo Speakers for PC Computers, Laptops, Smartphones, iPod, iPad, Tablets, etc./Volume Adjust button/Last and Next Button to choose the Song/TF Card Slot (White) Comfortable button design to control volume+/-, pre/next, play/ pause, and mode switch Amazing Multi-colored jets of water dance to the volume and beat of music With wireless Bluetooth + AUX + SD card three mode .Bluetooth version: CSR 2.1 + EDR Special 2.0 dual channel to supply surround 360 degree stereo sound.Rechargable battery powered by USB cable 4 RGB LEDs create an incredible light and water show.Acrylic water tank+ ABS base, better translucency of colorful LED light show