USB Bluetooth Cable Small 4pin to 9pin for PC PCIe AX WiFi 6 Card Motherboard
£3.95
The hole inside 4pin header (white) is Round, if pin on your card is Sqaure, it does not fit. Connector B: 9-pin motherboard header. 1 x USB cable. Connector A: JST PH 2.0 (small 4-pin, size around 0.7cm width, 0.5cm height).