USB2.0 Male To 9Pin RS232 Serial Female

4 USB3.0 Ports, Easy connect peripherals like mice, keyboards, flash drives, card readers, or an external hard drive to your PC laptop or Mac.Super Speed Data Transfer: USB 3.0 ports transfer photos, videos, and music at up to 5Gbps, backwards compatible with USB2.0 and 1.0.Compatibility: Silver brushed aluminum body. Support Windows , Linux , Mac OS. Compatible with laptops, PC desktops, and Apple PC. Complies with Prop