This Sony ULT Field 5 speaker packs a punch with powerful sound. Set your vibe with two ULT sound modes, Deep Bass and Attack Bass, and feel every beat. Multicolour 360 lights sync with the tunes to set the mood. Plus, it is IP67 rated, so it is waterproof and dustproof, perfect for days at the park or beach. It is compact enough to fit in a bag, so you can take it anywhere. The 25 hour battery life means more music and less charging. Sound Field Optimisation tech gives you clear audio in noisy environments. Link up more speakers with Party Connect and Stereo Pair. Easily control the speaker using the Sony app.