Explained in Instagram Photos

https://martinovfi103.iamarrows.com/is-tech-making-kpop-albums-online-better-or-worse

K-pop Lightsticks: More Than a Glow<br/>K-pop lightsticks are a emblem of fandom, transforming concerts into glowing spectacles. In 2025, high-tech lightsticks from groups like NCT and ITZY feature Bluetooth and customizable lights