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1.1*USB3.0 standard male head, backward compatible with USB3.0, USB2.0, USB1.1
2.1*USB3.0 standard port, theoretical transmission speed 5Gbps, backward compatible with USB2.0, USB1.1. USB downstream current 500MA
3.2*USB2.0 standard port, theoretical transmission speed 5Gbps, backward compatible with USB1.1. USB downstream current 500MA
4.1*SD card reader port, 18-20mbps
5.1*TF card reader port, 18-20mbps
6. Aluminum alloy fine craftsmanship, pure line length 9.5CM extension line.