1. Material: aluminum alloy 2. USB3.1 Gen2 interface: super speed 10Gbps 3. USB-C 3.1 Gen2 interface: super speed 10Gbps 4. SD/TF card slot: can be read at the same time, 3.0 transfer rate 5. System support: Windows/MAC OS/Linux 6. Size: 94x30x16mm, wire length: 22cm