40cm 3pin 4pin SM JST Connector 1 To 2 Male and Female for WS2812B WS2811 SK6812 WS2815 WS2813 WS2801 SK9822 LED Strip Lights. TYPE: 1 Female To 2 Male. COLOUR: Colorfull Wire. REMARK: 3 pin connector use for WS2812B etc 3 pin wire Led Strip Light.