Take your music anywhere with the Sony ULT FIELD 1 Wireless Portable Speaker. ULT POWER SOUND delivers boosted bass and high-volume playback. Built tough with water-, rust-, dust- and shock-resistant design (IP67; 30 minutes submersion between 0.15–1.0 m with charging cover closed; MIL-STD-810H 1.22 m drop tested). Adjustable two-way strap, accessible playback controls and hands-free calling. Up to 12 hours battery life with fast USB-C charging. Pair two Field 1 speakers for wide stereo sound (two units required). Sony | Music Center app for easy pairing and control. Includes speaker, USB-A to USB-C charging cable and attached strap.