BC Master USB-C Hub with HDMI(4k) and Power Delivery, with 4 USB 3.0 Data Transfer Ports, 1 HDMI Video Adapter, and 1 USB-C Recharging Port, for the New MacBook, ChromeBook Pixel and More Stylish Design with SuperSpeed USB 3.0 Ports: USB-C hub with 4 USB 3.0 ports for SuperSpeed data transferring of up to 5 Gbps and downward compatible with USB 2.0/1.1 specifications. USB-C Power Delivery: Charging the new MacBook, ChromeBook Pixel and USB-C-compatible tablet computers with their original chargers while hub is in use. HDMI Video Adapter: Supports high resolution up to 2K. A good companion for connecting HDMI enabled HDTV, 2K LED display monitor, or projector to extend your laptop for whatever working or gaming; supports high definition audio including SACD, DVD-Audio. Bus-Powered, no additional power adapter needed. Supports hot swapping & plug-and-play, and a built-in surge protector incorporated to safeguard your USB devices Package Contents: BC Master USB-C Hub with HDMI and PD, Instruction Manual. Free lifetime technical support and 24 months warranty.