Features: Brand new and high quality You can use it to convert the USB3.0 19/20 Pin header on the motherboard to 2 USB3.0 TypeA female ports. With dual USB3.0 ports and a 19/20 Pin port. The use of environmentally friendly materials, good electrical conductivity, strong anti-interference ability, to ensure the stability of high-speed data transmission. Compacts design, portable size, easy and convenient to carry and use. Strong material ensures maximum strength and durability for long lasting usage. Specifications: Material:Plastic Type:A/B A:Approx.36.7x20mm/1.44x0.78inches B:Approx.36.5x32.7mm/1.43x1.28inches Package Includes: 1x USB Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.