1.HDMI and VGA port can't be used simultaneously.
2.Only HDMI port could transmit audio and video, VGA interface could only transfer video.
3.Apple devices released before April 2010 do not support audio out and will not transmit sound from Mini DisplayPort.
4.Mini Displayport is compatible with Thunderbolt(1st Gen) and Thunderbolt 2, NOT compatible with Thunderbolt 3.
Triple Shielding Transmits Stable Signal
The Thunderbolt adapter with triple shielding of ground wire and braid and aluminum foil, which could effectively prevent EMI and make sure a stable signal transmission between devices.
Plug and Play
No any driver or program required, saving time on installing a complicated driver before using; and no external power supply required.
Connect Laptop To ProjectorConnect Laptop To TV / Monitor
Enjoy 4K HD Visual Experience
2 Versions for Your Choice
HDM| Port Supports Audio & Video Synchronization