Sony ULT FIELD 1 Wireless Ultra Portable Bluetooth Compact Speaker, IP67 Waterproof, Dustproof, Shockproof and Rustproof - Black

Experience enhanced bass and powerful sound built into a compact package. Equipped with a versatile multi-way strap, it's perfect for on-the-go adventures. With long battery life and water, dust, rust, and shockproof design, enjoy endless hours of good music with your favorite people.

• Press the ULT button to boost your bass 
•  The Sound Diffusion Processor expands sound in any space
• With an IP67 waterproof, rustproof, and dustproof rating this speaker is ready for the elements
•  Shockproof to withstand knocks and bumps
• Enjoy music for longer with up to 12 hours of battery life
• Compact, easy-to-carry design
• Detachable, multi-way strap to carry the speaker with you
• Add an extra speaker for rich stereo sound with stereo pairing
• Improved call quality with Echo Canceling