> How would I know whether a given bulb uses this technology? made a small "high CRI desk lamp" using a portable LED light brick and a flexible gooseneck stand

> How would I know whether a given bulb uses this technology? made a small "high CRI desk lamp" using a portable LED light brick and a flexible gooseneck stand (https://www.bhphotovideo.com/c/product/1713648-REG/smallrig_3808_rm120_compact_rgb_led.html https://www.bhphotovideo.com/c/product/1713648-REG/smallrig_... / https://www.bhphotovideo.com/c/product/1580737-REG/raya_frb_usb_hs_ring_light_stand_for.html https://www.bhphotovideo.com/c/product/1580737-REG/raya_frb_...) you can change the temperature of the light using the small OLED display on the back and the dial to tune it, it's not super accurate but it's enough for me to be able to tell say when I set it to 4000K, it gives me a reference when comparing to 5000K or something