Dual-Wavelength 660/850 nm Interleaved Array
20 LED beads, each carrying dual chips — 660 nm ×2 chips and 850 nm ×1 chip — interleaved across the 68×11 cm strip for even coverage.
Commercial value:One platform, two positioning angles.Position it for beauty and skin-care, or for deep-relaxation and recovery. You extend your catalog without new tooling.

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