Take powerful, portable sound anywhere with the Sony ULT FIELD 1 Wireless Portable Speaker. ULT POWER SOUND boosts bass for high-volume playback, while IP67 water- and dust-resistance plus shock- and rust-resistant construction withstand outdoor use. An adjustable two-way strap and simple controls make it easy to carry and use, with hands-free calling and Bluetooth connectivity. Enjoy up to 12 hours of playback with fast USB-C charging. Pair two FIELD 1 speakers for wide stereo and manage settings with the Sony Music Center app. Includes speaker, USB-A to USB-C charging cable, and attached strap.