Compatible with multiple systems for Win8/10/ OS driver-free, compatible with a variety of computer systems Plug and play, support hot swap.<br> Stable signal transmission,Built with professional chips, more stable performance and stronger compatibility.<br> Multi-layer shielding, no signal distortion,Tinned copper wire core + aluminum foil + braided mesh multiple shielding to avoid abnormal printing or garbled characters caused by short circuit due to line length.<br> Made of PVC environmentally friendly material, it is insulated and flame retardant, making it to use.<br> Model Number:USB to RS232 Converter DB9 Serial Port Cable<br> The product appearance and printed words depending on the batch, but this does not affect use.<br> Colour:Dark Blue<br> Material:PVC<br> Size:1.2m<br> Package Contents:<br> 1 * cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.