Enjoy big sound with the super-compact srs-xb100 wireless speaker, offering powerful, clear sound, an updated ip67 waterproof and dustproof design, and up to 16 hours of battery life. Small enough to fit in a bag or cupholder, the xb100 also features a versatile strap to take with you wherever you go. Speaker features enjoy powerful, clear sound, with a deep bass sound diffusion processor expands sound far and wide waterproof and dustproof (ip67 rated) up to 16 hours of battery life with indicator compact portable design with versatile strap included