This is a standing docking station that allows you to use your tablet in a more comfortable way.
Support iPad Pro (2018-2020, USB C), new iPad Aria 4 (2020), Samsung Galaxy Tab S4 S5 S6, Surface Go / Pro 7 / Pro X, 2-in-1 Pad (Dell/HP/Lenovo/etc.) , Supports USB-C DP Alt mode (note: not compatible with any iPad with Lightning port)
HDMI and AUX:The HDMI port supports up to 4K@30Hz video and audio output ports, and supports 3.5mm audio input/output. Note: The device needs to support the DP Alt mode, which supports the transmission of HDMI signals for external display (Note: your device must support the DP Alt mode of the video output signal).
7 in 1 meets all needs:CB-D42 has 2 USB 3.0 ports, micro SD/SD dual card reader, 1 HDMI port, 1 USB-C charging port and 1 3.5mm audio port.
High-speed data transfer and PD charging:2 USB 3.0 ports support data transfer rates up to 5Gbps; 2 card slots that can read and write at the same time, and support UHS-I speed (up to 104MB/S); USB-C charging port support Up to 100W pass-through power per device.