Louud sound from the plug nad play ear buds. The cord has a power,play/pause and music control button. It also allows you to answer and has a built in mic if plugged into a phone. Blocks the out side noises. #Rankboosterreveiw #Sponsored #Yongfa https://www.amazon.com/Yongfa-Earphones-Microphone-Headphones-Isolating/dp/B076CJDZS9