ITEM NAME:10 Pairs JST SM 3 Pin Male Female Plug Connector Cable For WS2811 LED Lamp Strip.10 Pairs 3 Pin JST SM Male Female Plug Connector Cable For WS2812B WS2812 WS2811 LED Strip Lamp. Strip connector:for WS2812B WS2812 WS2811 LED Strip. Usage :Led lamp driver or led strip connector. 3pin connector cable.