Add an HDMI port and USB port to your MacBook while simultaneously charging with the Kanex multimedia adapter. Connect an HDMI cable to mirror or extend your desktop onto an external TV or monitor. Connect existing peripherals such as printers, hard drives, your mouse or flash drive - even charge and sync your iPhone. With data transfer speeds of up to 5 Gbps and a compact portable design, this versatile adapter will become an essential tool to your everyday workstation.