GAME 4312 New Underwater Show Bluetooth Wireless Pool Speaker (Waterproof) with Disco Lights Compatible with all Bluetooth 4.0 devices, with a range of up to 60 feet Sync two units together Built-in features allow you to toggle between songs, answer phone calls and comes with audio caller ID Halo LED accent light on top of the speaker so it is easy to find in the dark and indicates when the floating Speaker is turned on Rechargeable Battery with up to an 8 hour run time with a full charge Intensity of light show may vary based on pool depth, materials of swimming pool, and pool water clarity A great all Weather proof Speaker for backyards, patios, apartments, balconies, boats, The beach and the lake