UtechSmart Dual-Core Technology Offer 1 Year Support Offer 1 year friendly customer service. Built in advanced dual-core VL817 chip with lower power consumption, quicker heat dissipation and higher data transfer efficiency. Temperature Control Use the same heat dissipation technology as MacBook Pro to extend the working life and provide an excellent performance. Make it safe and reliable when 6 ports are occupied. All-in-one USB C HubConnect to the latest MacBook Pro or USB-C devices with the 6 in 1 USB-C hub featuring an Ethernet port, a USB C charging port with power delivery, a 4K HDMI port, and 3 USB 3. 0 ports. Data transmission speed up to 5Gbps. 100W Power DeliveryUSB Type C hub charges your MacBook Pro or other Type-C devices while connecting 100W power delivery port. Nowadays more and more devices and the newest USB C laptops support PD. With power delivery, a single USB-C port can give you Blazing-fast charging speed experience.