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 adapter,
4,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 Specification
5,SD / TF card reader:SD and TF cards can work .