4 Computers Share 4 Groups of USB Devices:Easily connect keyboards, mice, USB flash drives, printers, scanners, cameras, removable hard disks and many other USB peripherals to truly share resources. Hi-Speed USB 3.2 Interface:is equipped with 4 USB 3.2 input ports + 4 USB 3.2 expansion ports, data transfer speeds up to 10Gbps, backward compatible with USB 3.0 / 2.0 / 1.1, faster and more stable file transfer. Dual Switching Method:supports top button switching and infrared remote control switching, no need to walk around to operate, remote switching more easily. Extra Power Supply Design (Micro-USB 5V):Provides stable power supply for high power consumption devices (e.g., portable hard drives, printers), guaranteeing smoother device operation. Widely compatible:supports USB flash drives, keyboards, mice, printers, scanners, cameras, PCs, removable drives and more for daily and professional office needs. Power supply: 2xAAA batteries (not included) Color: Black Material: ABS Package Contents: 1 x USB 3.2 switcher 4 x USB A-A cable 1 x IR remote control 1 x USB C to A Adapter 1 x Micro-USB power cable 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.