Overview and Specifications:
This 4-in-1 Lenovo USB-C to 4-Port USB 3.0 Hub expands the limited USB connectivity of your computer with 4 USB 3.0 ports.
For best performance, devices connected to this hub should not exceed total current of 900mA maximum. Otherwise, output current may become unstable or disconnected.
Below devices are often rated as follows for your reference:
Portable hard disk: Max. 500mA
USB 3.0 portable hard disk: Max. 900mA
Keyboard: Max. 500mA
Please double check the current of your devices before connecting to the hub.