There are 3 models optional, different model with different interface and appearance, please choose suitable model before purchase: (1) 4-in-1 Type-C Port: USB3.0*1 + USB2.0*3(2) 5-in-1 HDMI Model : HDMI 4K@30HZ + USB3.0*1 + USB2.0*1 + 87W PD Charge+RJ45(3) 8-in-1 HDMI Model+RJ45 :HDMI 4K@30HZ + USB3.0*1 + USB2.0*1 + 87WPD Charge +TF+SD+ 100MRJ45+Type C Data Transmiton 8 -in -1 :HDMI x 1 4k@ 30HZ+USB3.0 x 1+USB2.0 x 1+Type c x 1+PD x 1+RJ45+TF slot x 1+SD slot x 1 USB-C to HDMI Adapter The HDMI port supports 4K @ 30Hz output, which can transmit 4K @ 30Hz or high-definition 1080P video to HDTV, enjoy high-definition video experience . How to charge your phone or computer 1,find a socket2,plug your charger adapter into the socket3,connect to the PD charge port4,use the main C port line to connect to your phone or computer5,charge it