"This is replacement cable for our NGFF/ Half PCI-e to desktop PCI-e converter card, it uses to connect the card to motherboard in order to activate blueooth function. Note: Make sure the 4 pin header fits your card if using on other adapter Card and motherboard in pictures is for demo only, not for sale Packing List (bulk pack): 1x USB cable Features: It fits our NGFF/ Half PCI-e to desktop PCI-e converter card For connection between wireless card to motherboard Length around 32cm (12.6 inch)" Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin