HDMI male to 3RCA female adapter (red, white and yellow). 2. HDMI male to 3RCA female adapter (red, blue and green). Used for audio and video cable connection, two-in-one pack. This adapter only supports HDMI to RCA one-way transmission. RCA to HDMI cannot be used. The input device (PC, DVD or set-top box and other devices) is an HDMI port and the output device (TV, monitor or projector) is an RCA port. Also, RCA male to male cables are needed, please purchase them separately. HDMI is digital signal, RCA is analog signal, please note this adapter has no chip and the device must have its own decoding function for normal use, otherwise it cannot be converted into an analog RCA signal. The gold-plated interface has durability and corrosion resistance, a better transmission speed and more complete signal, fully support 480p /720p/1080p resolution digital signal format, very suitable for connecting HD players to the TV, so that you have a better view. Suitable for PC, HDTV, DVD, projector, set-top box, home theater system and all other HDMI to RCA compatible devices. But not suitable for mobile phones.