Sony Portable speaker SRS-ULT10

Powerful Sound in a Small Package
ULT FIELD 1 combines a powerful bass speaker and a high-quality tweeter, creating impressively detailed sound. Added passive radiators deepen the bass, providing big sound from a small speaker.ULT Sound Modes
With the ULT button, you can activate deep bass and greater sound pressure, adding more depth and energy to the music.Weatherproof Companion
With an IP67 rating, ULT FIELD 1 is waterproof and dustproof, making it perfect for use at the beach or other outdoor settings.Portable Everywhere
ULT FIELD 1 is designed for portability, being lightweight, compact, and equipped with an adjustable strap.Continuous Entertainment
With a 12-hour battery life, ULT FIELD 1 lets you enjoy music all day or night.Clear Calls
ULT FIELD 1 allows for hands-free calls, using echo cancellation technology.Easy Pairing
Quick pairing with Android devices and the Stereo Pair function allow for easy music sharing or creating a stereo sound system with another ULT FIELD 1 speaker.