Enjoy powerful, portable party sound with the Sony ULT FIELD 7 Wireless Portable Speaker. ULT POWER SOUND boosts bass and delivers high-volume playback. IP67 dust- and water-resistance (dust tight; up to 1 m submersion with protective cap closed) makes it durable for outdoor use. Get up to 30 hours of playtime with USB-C fast charging and Battery Protect to help prolong battery life (30 hours measured at Volume 16, ULT1/2 on, lighting off; actual time varies). Connect a microphone or guitar for karaoke and live performance. Use Party Connect to pair with another ULT FIELD 7 or up to 100 compatible speakers for wide stereo sound. Control lights and audio with Sony | Music Center and Fiestable apps (download required). Includes AC cable and reference guide.