1.POWERFUL SOUND ANYWHERE: Enjoy powerful, clear sound, with a deep bass anywhere you go. Improved driver enhances low-end tones, delivering powerful sound with a deep bass. 2.COMPACT SPEAKER WITH VERASTILE STRAP: With a specially engineered strap, the super-portable XB100 is easy to travel with. But don't be fooled by the small size—this compact speaker packs plenty of power. 3.SOUND DIFFUSION PROCESSOR: Spreads sound in any space, for a richer and more expansive sound. 4.IP67 RATING: The extra-durable XB100 is waterproof and dustproof with an iP67 rating and a UV coating, so you can take your tunes to go—whether it's the pool, the beach, the shower, or camping. 5.LONG BATTERY LIFE: Up to 16 hours of battery life with indicator. 6.BLUETOOTH: Connect and stream music easily with Bluetooth. 7.STEREO PAIR: Add an extra speaker for stereo sound. 8.HANDS FREE CALLING: Built-in microphone with echo canceling technology for clear calls.