7 Port USB 3.0 Hub On/Off Switch AC Adapter Charger Splitter for Laptop PC 4,Port USB 3.0 Hub On/Off Switch AC Adapter Charger Splitter for Laptop PC 4 7,0 HUB Splitter With Switch Platooninsert For Computer Peripherals, Supports hot swap, Hot swap: Support, Interface: 4 port or 7 port USB 3,0 Optional, Built-in over-current protect to protect both connected devices and the hub itself from unforeseen power surges,Super Speed 4 or 7 Ports USB 3.Splitter for Laptop PC 4 7 Port USB 3.0 Hub On/Off Switch AC Adapter Charger.