Customize Sony headphones with a linkage function for this app to your liking. Everyday music becomes even more enjoyable with easy controls. You can quickly connect to a smartphone by following a guide. You can easily start to use it even if it’s your first time. Main Feature • A “software update” that enables all the functionalities and enhanced performance for your headphones. • "Equalizer" allows you to set the sound quality to your liking. • "Ambient Sound Control" for changing noise cancellation and ambient sound mode settings easily.*1 • "Adaptive Sound Control" that uses location information to detect your actions and locations you frequent, and automatically switches headphone settings such as how to take in the ambient sound.*1 • Personalization function*1 to enjoy 360 Reality Audio*2 with spacial sound field for you • "Activity" allows you to record and review the usage stats of your headphones. • Additional features, updates and important news will be notified via notifications (In order to receive notifications, notification settings in your smartphone must be set to ‘on’) • Easy “Connection guide” for first time users • Direct access to the Help menu for your headphones and app *1 Limited to compatible devices. *2 360Relality Audio may not be available in all countries and regions. Compatible Sony products: Please visit the website below. http://rd1.sony.net/help/mdr/hpc/h_zz/ Note * Some features may not be supported by certain devices. Please visit the website below for details. http://rd1.sony.net/help/mdr/hpc/h_zz/ * Some functions and services may not be supported in certain regions/countries. * Please make sure to update Sony | Headphones Connect to the latest version. * Bluetooth® and its logos are trademarks owned by Bluetooth SIG, Inc., and their use by Sony Corporation is under license. * Other system names, product names, and service names that appear in this app are either registered trademarks or trademarks of their respective development manufacturers. (TM) and ® are not indicated in the text.