How Concert LED Wristbands Work | WSJ Tech Behind

Whether it’s Taylor Swift’s Eras Tour, Coldplay’s World Tour or a BTS K-Pop show, light-up wristbands or light sticks have become an expected part of the concert experience. WSJ goes behind the scenes with PixMob, a leading concert LED company, to see how they use “old tech” to build creative light shows, essentially turning the crowd into a video canvas. 0:00 Wristbands at Live Events 0:47 Radio Frequency 2:57 Infrared 4:42 Bluetooth #Concerts #Tech #WSJ