Simple ConnectionThe HDMI Audio Converter does not require external power when connected to most source devices. If it does not work properly, use a USB power cable to connect to a USB port on another device or a DC 5V USB power head
Note: To ensure stable signal transmission, please use a high-quality HDMI cable
Widely Compatible & Plug and Play Suitable for various HDMI source devices such as Fire TV without dedicated audio output as well as Blu-ray/ DVD/ HD player, cable/satellite box, Amazon Fire TV, PS4, PS5, Xbox, PC/laptop etc.