High-power 40-watt System - Dual 2.25” full-range speakers and 2 passive radiators deliver lifelike sound Long Battery Life - Rechargeable 10-hour battery delivers long-lasting fun Wireless Connectivity - with Bluetooth 5.0 you can stream and control your music wirelessly IP66 Water-Resistant/Sandproof - Safe for beach, trail, and rain App Control via ION Sound Control App - With the ION Sound Control App available for both iOS and Android devices, you can customize audio and lighting