The FIREFLY E2218 family expands ams OSRAM's portfolio of visible products for use in mobile devices like fitness tracking or health monitoring. It offers the highest efficiency output and lowest forward Voltage (Vf) operation, for longer battery life in portable applications. The compact sizeof only 1.8 mm x 2.2 mm x 0.6 mm allows customers the benefit of more flexible product designs. The true green CT DBLP32.12 is specially designed for Heart Rate Monitor applications. It features a very high luminous intensity to ideally match these applications.