Zoom RC4 Wired Remote Control for H4n and H4n Pro Gives you access to a range of functions including recording start, play, stop, fast forward/reverse, recording level adjustment, and input source switching Eliminate handling noise when recording with the Zoom H4n and H4n Pro (2016 model) Comes with extension cable Simple wired remote allows for recording start, play, stop, fast forward/reverse, volume level adjustment Recording level adjustment, and input source switching