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 9. The interface is pluggable and pluggable, plug and play, and responsive
