Purchase Qty. Reference FOB Price
1,000-1,999 pair US$5.98
2,000-4,999 pair US$5.95
5,000+ pair US$5.92
Product Description
What is blue light? Blue light generally is defined as visible light ranging from 380 to 500 nm. Blue light sometimes is further broken down into blue-violet light (roughly 380 to 450 nm) and blue-turquoise light (roughly 450 to 500 nm). So approximately one-third of all visible light is ...