Shure ULXP24/58 M1 Wireless Handheld System Using the Popular SM-58 Handheld Capsule for Live Performance and DJ with added Performance Accessories Automatic frequency channel scan and selection 20 Systems per band can be used simultaneously 8-9 Hour Battery Life Uses the popular SM-58 capsule from Shure which makes it ideal in multiple applications including Live Performance, Podium, Concerts, Schools, Classrooms, DJ and many more Extra accessories include a cable and microphone stand