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Lenovo A601 USB splitter high speed 4 port HUB multi-interface docking expansion docking converter notebook computer one tow four HUB extension cord USB3.0 splitter
1.4 port USB port,4 port at the same working, stable identification
2.High speed USB3.0 interface
3.Multi-system compatibility, desktop can also be used
Four start USB3.0
High-speed line divider
Simple design not simple speed