subdermal LED halo necklace, (internal LED glow:1.7), (embedded LEDs:1.8) forming evenly spaced glowing rings beneath the skin, (radiant circular light patterns:1.6) surrounding the neck, soft, diffused light radiating outward from the collarbone, (delicate glowing halos:1.6) mimicking the elegance of a classic halo necklace, (natural skin tone:1.5), high-definition, (ultra-realistic skin texture:1.8), smooth light transitions, seamless integration of light beneath the skin, (no visible jewelry:1.8), (worn necklace:-1.8), (chains:-1.8), perfect for formal and casual settings, modern and timeless elegance, radiant yet minimalist design