9 in 1 hub, it is equipped with 1*4K 30Hz HD video output port, 1*USB 3.0 port, 2*USB 3.0 port, 1*PD port, 1*Type-C port, 2*memory card reader and 3.5 mm audio, supports up to 48KHz, 24-bit audio output. Three USB 3.0 ports provide fast data transmission speed of up to 5Gbps, easily upload or download files, music, photos in several seconds The powerful PD port can output up to 4K@30Hz video while charging the laptop at 60W. Transfer data rate up to 40Gbps HD video output port can be used to simultaneously mirror or extend the laptop screen to a TV or projector Built-in 2 slots, insert 2 memory cards (for SD and TF) at the same time, and you can easily read the files on the general memory card. Supports reading 2 cards at the same time 3.5mm jack transfer stereo audio directly from Type C phones/tablets/laptops to audio output devices with an auxiliary port Perfect for laptops, such as compatible for Apple MacBook 2018/2017/2016, for Huawei MateBook E/X, for Xiaomi Air 12.5''/13.3'' and other type c port devices