HDMI-compatible: 4K -HD interface x2. 1 x Type-C Smart Docking Station. Silicone anti-skid pads are designed at the top and bottom to ensure that the notebook body is stable in use. Integral aluminium alloy shell, fine sandblasted aluminium alloy material, corrosion resistance, easy to heat dissipation, scratch resistance, integral partition molding, higher strength, more durable.