Rocstor Premium Portable 4 Port SuperSpeed Mini USB 3.0 Hub -USB - External - 4 USB Ports Female - 4 USB 3.0 Ports - PC, Mac - 6 in Mini Hub with Built-in SuperSpeed Cable 5Gbps -External - 4 USB Port(s) - 4 USB 3.0 Port(s) - Aluminum Grey - PC, Mac