1. Chip: HS8839
2. Material: aluminum alloy + ABS
3. USB3.0 output: 5Gbps
4. USB2.0x2 output: 480MB/s
5. Card reading IC: TF832
6. SD/TF:USB 3.0 single drive letter
7. Support 5 ports at the same time, TF/SD dual card dual reading
8. Fast heat dissipation, stable performance, small and portable