*This item is REFURBISHED. 20 watts of dynamic power for memorable outdoors fun; Robust 4-inch woofer and wide-dispersion tweeter deliver high-quality soundIPX4 splash-resistant-perfect for beach or poolside useBuilt-in rechargeable battery provides up to 30 hours of continuous useAM/FM radio with bright・ legible displayNFC-enabled smartphone with a single tap; ?-inch (3.5mm) aux input; Microphone input for karaoke and more (mic not included)