Specification:

Interface Type: USB 3.0
Ports: 4
Standard: USB 3.0
Length: Other
Product Name: USB Hubs USB 3.0/Type C 3.0 to USB 3.0×1 USB2.0×3
Output / Input Port: 4 Ports USB 3.0×1 USB2.0*3/USB 3.0,Type C 3.0
Color: Black, White
Material: Strong ABS Plastic TPE Cable
USB3.0 Transmission Speed: 5Gbps(Downwards Compatible USB 2.0)
Compatible Model: For MacBook Pro Air iPad Pro Samsung Notebook Surface Pro 4 6 Switch
Feature 5: For Apple MacBook Pro Accessories Adapter; For PC Accessories
Feature 6: Type-C USB-C HUB For MacBook Pro For Xiaomi Mi Huawei
Feature 7: USB-C HUB For Portable Hard Drives Flash Drive Mouse Keyboard USB Fan
Length: About 12 cm & 100 cm

Note: 
High capacity hard disk work need micro USB port supply