Support two-way data transmission at the same time and lossless transmission. Small size and light weight, Strong and durable, long service life. Suitable for changing the direction of USB 3.0 19/20-Pin cables. By allowing the USB 3.0 19/20-Pin cable to be installed at a 90 degree angle, builders are no longer need to wrap or fold the cable up and back over the motherboard and reduce the amount of cables needed in front of the motherboard tray. Suitable for Desktop motherboard.