Benefits of using the "Panasonic Audio Connect" or "Technics Audio Connect" apps. with earbuds.

By connecting the earbuds to the Panasonic Audio app, you can enjoy:

Audio enhancement (Bass, Clear voice, Equalizer)
The ability to update your product's firmware
If misplaced, you can use the function "Find headphone" to locate the earbuds
The function to turn on the Auto power off setting to conserve battery
The ability to check the battery level of each earbud
Information on the codec being used to connect the headphones to your Bluetooth® device
The ability to connect your earbuds to the Amazon Alexa app (Alexa features and functionality may vary by country / location)
Access to the online manual of your product

How to check and update the firmware of the earbuds

Open the Panasonic Audio Connect or the Technics Audio Connect app and then select "Headphone information""

When you are at the headphone information section, you will be able to update the firmware of the earbuds and you can also find out what your current firmware's version is.

The following are links for Audio Connect apps

This FAQ applies to models RZ-S300, RZ-S500, EAH-AZ70