Using the “Headphones Controller” app

The Headphones Controller smartphone app is a dedicated app for getting the best sound quality from your Yamaha earphones or headphones.

[Search tag] #Q03 App

This app will let you do the following.

Show the status of your earphones/headphones (such as remaining battery power)
Make detailed settings on your earphones/headphones

Install the app from the App Store (iOS devices) or from Google Play (Android devices). See the information about the app on each store for details.