Features: USB cable can effectively eliminate, suppress, or isolate interferences, improving the stability and reliability of USB signal transmission. Anti interferences: The design of USB shielded cable can filter out electromagnetic radiation or interferences making digital signal transmission between USB devices more stable and reliable. Protect device: The filtering effect of the shielded USB cable can also effectively protect the USB device, avoiding external electromagnetic interferences that may damage or cause device failure. Improving transmission speed: USB with shielded cable can also improve the transmission speed of USB devices, as it can eliminate noise generated by electromagnetic wavesand ensure a more stable data transmission rate. One to two splitter cable design, there may be some case where the mainboard is not compatible, and it is recommended to have a version with a chip that is fully compatible Specifications: Item：19pin Computer Motherboard Usb3.0 Expansion Cable Material:PVC Cable Length：approx 20cm/7.8in Package Includes: 1PC Usb3.0 to 19pin Splitter Cable note: Direct physical one to two split, there will be individual motherboards not compatibles with the situation . Please confirm before ordering； Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.