Tips: Here are 4 ways to help reduce the USB 3.0 radio frequency interference to the wireless connection of some laptops: Option 1: Connect the laptop to a 5GHz Wi-Fi network. Option 2: Connect devices (e.g., mouse, keyboard and hard disk drive) to USB 2.0 ports on the laptop. Option 3: Connect the USB 3.0 hub to the laptop with a high-quality 1-foot or longer USB 3.0 extension cable. Keep USB 3.0 devices away from the host computer. Option 4: Use high-quality shielded USB 3.0 devices/cables/connectors. Video resolution (HD output port): Up to 4K UHD (3840x2160 @ 30Hz) or 2K / 1080p / 720p /480p / 360p Data transfer rate: Up to 5Gbps Power: USB bus-powered Compatible USB-C devices (including but not limited to the following) For MacBook (12-inch)