Apple devices released before April 2010 do not support audio out and will not transmit sound from Mini DisplayPort.Only HDMI port could transmit audio and video, VGA interface could only transfer video.HDMI and VGA port can't be used simultaneously.B87Toshiba Satellite Pro S500, Tecra M11/A11/S11.Microsoft Surface Pro 2/Pro 3/Pro 4, Surface Book.MacBook Pro, Mac Pro, MacBook Air, iMac, Mac mini, MacBook Pro Retina.No any driver or program required, saving time on installing a complicated driver before using and no external power supply required. 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. Compatible with all Mini displayport laptops and HDMI/VGA equipped displays, monitors, projectors. The 2-in-1 adapter makes it fit for various kind of displays. Mini Displayport to HDMI VGA 2-in-1 Adapter Mini DP adapter enables you to connect a Mini DP/Thunderbolt 2 compatible laptop to an HDMI or VGA equipped display, monitor, projector, TV. Ugreen HDMI / VGA - mini DisplayPort adapter Hz Full HD 1080p (MD108)

Ugreen hdmi to displayport adapter