As we know, Mini DisplayPort for MacBooks can only transmit video signal but no audio. However, this unique designed adapter solves this trouble for MAC users. The adapter is designed for use with the MacBook, MacBook Pro, Mac mini, and iMac, as it features the Mini-TOSLINK connector for digital audio that is found on those computers. It connects to a USB port to draw power, eliminating the need for an external power supply.
HDMI 1.3 supports as 1.2(a) and has the additional support like Deeper colour, Alternative colour space - potential to carry the xvYCC colourspace, Automatic Lip-sync adjustment - potential to automatically sync audio to video, Higher video resolution - potential to transport up to 1440p video signals, HD Audio Bitstream - potential to carry the digital bitstreams from Dolby and DTS HD audio formats, etc. It describes testing for products based on the HDMI 1.3a specification regarding HDMI compliance (1.3b), the HDMI type C Mini connector and active HDMI cables.
RoHS stands for Restriction of Certain Hazardous Substances. It is an European legislation that bans six hazardous substances from manufacturing processes. Because of RoHS, manufacturers of electronic equipment will have to rush to deliver lead-free equipments in order to be able to sell their products in Europe.
Basically, deep colour expands the colours on the display from millions to billions. This gives a vividness and colour accuracy which has not been seen before in display technology. The newest deep colour format gives an improvement in the quality of the picture.