Install this product to a 10 year old 47 inch LG TV with digital optical output using the supplied TosLink optical cable. I turned on the transmitter, pressed the pairing button, turned on the bluetooth headphones and they connected immediately. I've plugged it in several times with no problems. The sound is good, I have volume controls on my headset so there is no problem with the volume. Watched multiple shows on multiple different devices with HDMI inputs such as Blue Ray, Cable Box and PS4 with no voice sync issues. It's worth the price!
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