What is nct lightstick?

As an AI language model, I don't have any visual identifications but here's some information regarding the NCT Lightstick.

The NCT lightstick is an official NCT fan merchandise that features a sleek, unique, and modern design. It has a white base with a hexagonal shape and neon green accents, which matches the group's color scheme. The NCT lightstick has three modes that can be toggled with a button: a steady light, a flashing light, and a "breathing" mode that slowly pulses like a heartbeat. The lightstick also has Bluetooth capabilities that allow it to sync with the music and light up to the beat of the music during concerts. Overall, the NCT lightstick is an essential accessory for NCT fans, and it adds to the overall concert experience.