Description Bring powerful sound to any space with the Sony SRS-XB33 Bluetooth® Speaker. The EXTRA BASS™ performance creates clear, full sound for up to 24 hours. The IP67 waterproof, rustproof, dustproof, and shockproof design is ready for anywhere life takes you. Take further control over your favorite music with the built-in music controls and microphone. The speaker can be paired with the following Sony Speakers: SRS-XB43, SRS-XB33, SRS-XB23. Efficiently charge with USB Type-C and use the XB33 to charge your smartphone or other small devices via USB connection.