UGREEN 20352 Multifunction USB Charging Station with OTG & USB Hub Function is a perfect combination of USB hub and USB charging, which is an ideal choice for office, family, travel, hotel, education etc. It is with portable size, and has the following 5 functions.

1).4 Ports USB Charging Sattion, totally 5V, 6A.
When Connect to power adapter only, it is a 4-ports Charging Station, supporting 3 different charging mode: Samsung, Apple, and BC1.2.
The dedicated red USB port is for fast charging.

2). 3 Ports USB 2.0 Hub;
When connect to PC with a USB cable only, it is a standard USB 2.0 3-Ports hub, for data transfer, support max 480Mbps.;
(The dedicated red USB port do not support data transfer. )

3). 3 Ports USB 2.0 Hub(SYNC)+ 1 Port USB fast Charging
When connect to both PC and power adapter, the dedicated red USB Port is for Charging;
The Left 3 USB Ports, Data Transfer & Charging.

4). Cradle Design;
you could set your phones or tablest here when charging or data transfer.

5). OTG (your devices need to support OTG function)
Connect OTG cable to this data & charging station, it works as an OTG hub.
you could connect flash drive, mouse, keyboard to your OTG devices.