Sony SRS-XB33 is a powerful, compact, portable Bluetooth speaker with up to 24 hours battery life (Stamina mode). With the extra bass mode It delivers powerful sound, deep punchy bass and enhanced sound clarity and is dust, waterproof (IP67) and shockproof (up to 1.2m). It can charge your smartphone as well. Speaker has line lights that move to the beat and are fully customisable. Optional LIVE SOUND feature brings you a 3-dimensional sound experience and extra fun. Up to 100 compatible wireless speakers can be connected together. Unlike conventional circular diaphragm models, the XB33's rectangular diaphragm is able to reduce distortion and increase sound pressure for irresistible crisp sound quality. This virtually indestructible speaker can go with you anywhere, anytime from the beach to the forest without any worries. With an IP67 rating, the XB33 is waterproof, saltwater resistant, dustproof, rustproof.