subdermal LED chain necklace, (internal LED glow:1.7) forming a simple, elegant light pattern beneath the skin, (embedded LEDs:1.7) mimicking a delicate chain design, soft golden light radiating smoothly from the collarbone, (subtle chain-like glow:1.6), (classic chain jewelry pattern beneath skin:1.5), natural skin tone with soft, smooth light transitions, high-definition, (ultra-realistic skin textures:1.7), (seamless LED integration into skin:1.6), glowing chain forming an elegant necklace shape, perfect for both casual and formal settings, (worn necklace:-1.8), (visible jewelry:-1.8), (rigid design:-1.6), radiant light flowing naturally beneath the skin, timeless yet modern elegance, minimal appearance