OMO+ Optical Musical Object, The Only Portable, Waterproof, Bluetooth, Floating-Light Show Music Player - 40W of Power with 4x SPEAKERS, 2x SUB-WOOFERS, 2x Rapid-USB Ports, 1 Year WARRANTY, Lime Green Full Control Panel. Control the LED lighting: top, middle, and bottom as the Flashing lights beat to the music Speakers: 4pcs, 4ohm 10W with 2x bass diaphragm, real output is 40W. Battery: 10,800 mAh, more than 8 Hours battery life. 2 USB Rapid charging ports at 2.1A. 12VDC input, OMO+ can be used while charging Bluetooth v4.1, ISSC chipset with True-wireless pairing feature - 2 OMO+ pairing together with one device IPX7* Waterproof to 1 meter for 30 minutes. Floats on water.