8in1 USB-C HUBHDMI(60HZ)+USB3.0*2+PD Charging+ USB C +RJ45+SD+TF 1. HDMI:4K*2K(3840*2160)30HZ/4K*2K(3840*2160)60HZ, downwards compatible with 1080P 720P etc.2. USB3.0:Hight speed USB3.0 transmit 5GB/S,Power supply up to 4.5W max.3. USB C Female port: 20V@3A,Support max 87W power adapter4. USB C male:copatible with thunderboil 3. Make sure that the host USB-C port on your device complies with the USB3.0/3.1 Specification5. SD / TF card reader:SD and TF cards can work simultaneously, read and write speed depands on cards' sepcifcication.6. RJ45: Max Ethernet speed: 100MbpsComply with USB-C interface specification built in conversion chip