Mini 4pin USB Bluetooth Lead Desktop PCIe Wireless Network Card to Motherboard
If your wireless adapter Bluetooth 4pin is SQUARE, it does not fit. Connector A: JST PH 2.0 (mini 4pin, round pin, size around 0.7cm width). Connector B: 9-pin motherboard header. For desktop PCI-e wireless card like TP-link, ASUS. etc.