The Sony EXTRA BASS Bluetooth Portable Speaker XB33 is seriously tough, giving you the freedom to party wherever and whenever you like. Built-in Bluetooth technology EXTRA BASS sound with LIVE SOUND mode X-Balanced speaker unit for clear, powerful sound IP67 rated waterproof, dustproof and shockproof Boost your party with flashing lights Up to 24 hours of battery life Enjoy deep, punchy sound wherever you like with the Sony EXTRA BASS Bluetooth Portable Speaker XB33. Dual passive radiators work together with full-range speakers to enhance low-end tones, giving bass a boost. With its rugged design and long battery life, the SRS-XB33 won’t ever let you down. X-Balanced speaker unit Developed by Sony, the X-Balanced Speaker Unit achieves high sound quality and powerful sound pressure for a richer, deeper, more rewarding listening experience. Hear it like it’s live Hit the LIVE SOUND button and hear your music in a whole new way. Bring your party to life with a unique three-dimensional sound experience – creating festival vibes wherever you go. Light up the party There’s no fun without party lights. The SRS-XB33 features a speaker light and a multi-colour line light that flash in sync with the beat. You can even change the colour of the line light to suit your mood.