Tripp Lite P137-06N-HV-V2W video cable adapter 7.87" (0.2 m) Mini-DisplayPort HDMI/VGA White

Connects Your Mini DisplayPort Laptop or Tablet to a VGA or HDMI Display
Ideal for trade shows, classrooms, lecture halls and other presentations
HD15 port supports video resolutions up to 1920 x 1200, including 1080p
HDMI port supports UHD video resolutions up to 3840 x 2160 (4K x 2K) @ 24/30 Hz
Supports 36-bit Deep Color (12 bits per channel)

Plug-and-Play Convenience
No software or drivers to install
No external power supply required
Small enough to stow in laptop bag or briefcase
The P137-06N-HV-V2W is a Passive adapter, and requires the connected computer to have a DP++ ( Displayport ++ ) port