ULT FIELD 1 Wireless Speaker Powerful sound, compact body Elevate your favorite tunes with powerful sound wherever you go. Make your heart tremble with exceptional bass. Boost the bass with the ULT button Press the ULT button for enhanced bass. Sound Diffusion Processor This compact speaker packs impressive surround sound. The sound diffusion processor fills up any space with sound through its DSP technology. Side passive radiator The layout of the side passive radiators has been optimized to enhance bass sound. Take it anywhere An easy to carry design that’s waterproof, dustproof, and shockproof. This compact speaker is designed to let you take your music anywhere thanks to its multi-way strap and the long battery life keeps the party going longer when you get there. Grab and go With its compact, easy-to-grab design, you can take it with you wherever you go. Take it outside With an IP67 waterproof, rustproof and dustproofrating this speaker is ready for just about anything. Carry it how you want Use the detachable multi-way strap to carry the speaker with you, or to hang outdoors Shockproof Withstand the inevitable knocks, bumps, and scrapes that come with everyday use. Enjoy music for longer Up to 12 hours of battery life, pumping out music as long as you like.