Sony SRS-XB100 Wireless Bluetooth Portable Lightweight Super-Compact Travel Spea

Extra Bass : EXTRA BASS for deep, punchy sound

Sound : Sound Diffusion Processor expands sound far and wide

Ratings : Waterproof and dustproof (IP67 rated)

Battery Life : Up to 16 hours of battery life with indicator

Portable : Compact portable design with multiway strap included