Pump up any party with the Ultimate Ears HYPERBOOM Bluetooth speaker. It's IPX4-rated to be splash-proof, making this wireless speaker great for pool parties. The rechargeable battery keeps your music going for up to 24 hours. One-touch controls allow you to play, pause, and skip tracks, and adaptive EQ automatically customises your sound to the space. | Ultimate Ears HYPERBOOM Splashproof Bluetooth Wireless Party Speaker - Black