?Solution?Port multiplier version: extend 9 pin USB 2.0 port to 4x 9 pin USB 2.0 ports; ?Connector?Connector A: 9 pin USB 2.0 male, connector B: 4x 9 pin USB 2.0 female; ?Parameter?PCB Demension(L*W): 1.96in*0.98in(5cm*2.5cm)(Approx), Cable Length:12in(30cm)(Approx); ?Foam Tape?With double sided foam tape, it is available to fix on the main board or chassis; ?Note?Both of PCB boards could be divided into single board. Please do not worry about using when the item you received is 2pcs single boards;