Equipped with 10 custom explosion-proof solid-state capacitors to reduce operating temperature rise, improve transmission efficiency, and achieve high stability. Supports up to 5 devices: 2 USB C + 3 USB A 5 port. No driver installation required, plug and play. Intelligent power-free design, no power supply required. Premium material and workmanship, high quality and long lifespan. Interface: 2 Port TYPE-C + 3 Port USB-A Transmission interface: PCI-E (compatible with 1x, 4x, 8x, and 16x) Transmission speed: USB 3.2 Gen1 5Gbps Support System: Compatible with for Windows98/2000/XP/Vista Win7/8/10 Color: Black Material: PCB+Metal Package Contents: 1 * Expansion Card Only the above package content, other products are not included. 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.