UltraProlink SmartHub 4 is a compact yet powerful must-have accessory for all users of Type C enabled Smartphones, Tablets & Laptops. Made of premium aircraft grade brushed aluminium it will dissipate heat over long hours of use. Extremely portable, Functional & Lightweight it provides the most commonly needed functions. Compact enough to always have in your bag. Extend the ports of your laptop or turn your smartphone into a powerful multimedia device & project your content onto larger screens 4K HDMI: output resolution up to 4K@30Hz gives you an immersive 3D experience, enjoying media content with better picture, color, smoothness and clarity. USB C 3.0 Data Port: Max data transmission up to 5Gbps & 4.5W Power USB C 2.0 Data Port: Max data transmission up to 480mbit/s & 4.5W Power Type-C PD 3.0: Support 100W power in, power out (charging) is limited to 87W for safety. PD port is only for charging, not support data transfer.