У вашего броузера проблема в совместимости с HTML5
SK6812 white color smd led is three white colors dimming led,it is consist of amber color with 1800K,warm white color with the cct:3000k to 3200k and white color cct:6000-6500k,with digital ic to control the mixture color the CCT from 1800k to 6500k in one led,
http://www.rgbledcolor.com/sell-2268883-sk6812-digital-white-color-led-smd.html#.VbDIKqSqqko