IPX7 Waterproof Bluetooth Speaker Floating Pool Speaker with Lights.This bluetooth speaker is not only a pool speaker,but also floating pool lights,which have 6 color changing modes.When playing music in slow flash mode, the LED flashes follow the beat of the music! Choose any mode you like Advanced Bluetooth Technology.Wireless connection range of 45 feet (15m), creating a fast and stable signal transmission. It produces outstanding audio and blasts out rich, clear sound to deliver music in both indoor and outdoor environments Great for pool parties / gatherings at night when a colorful presence is noticeable