SeaSum waterproof LED Bluetooth speaker Portable Wireless Speaker 8.7 inches-4400mAh Rechargeable Lithium Battery &ndash; Black Led light display: Five decorative LED light modes pair with your different styles music Sound: The Bluetooth speaker has built in 10w high quality voice coil speakers The wireless speakers are light show speaker, this LED speakers hold Bluetooth version 4.0, it can smart connectivity by NCF Waterproof: It is portable speakers, also is waterproof with IP 5/6 Battery: The wireless speakers' battery can be use 3.5-10hours