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True Wireless Earbuds Firmware Update

SoundOn

Learn more about newest firmware updates for the true wireless earbuds RZ-S500W/S300W and application software to enhance functions and usability:

Firmware Version:
RZ-S500W JMS1ZS 01.80
RZ-S300W JMS1ZR 01.31

Improved Ambient Sound Mode
Wider frequency band/ Noise Reduction

Bluetooth Blinking LED*
The earbuds’ blinking LED function can now be turned off.

* This function was released in August 2020 (RZ-S500W Ver. JMS1ZQ 01.71/RZ-S300W Ver. JMS1ZP 01.21).

SoundOn

Improved Ambient Sound Mode:

Earbuds capture a wider range of external sounds.
New improvements within the ambient sound mode have made significant steps towards reproducing more natural sound. By redesigning the algorithms used to capture surrounding sonic elements, the earbuds can now capture a wider range of frequencies than before. This has enabled a more natural sounding mix of music and surrounding sounds, and will bring a much improved ambient sound experience.

Before

After

Before

The Ambient Sound mode focused predominantly on surrounding voices.

After

The ambient sound mode comprehensively captures voices and other surrounding sounds, leading to a more natural sound similar to not wearing headphones at all.

Previous frequency band of ambient noise intake
Updated wider frequency band of ambient noise intake

Reduced white noise

The amount of white noise noticeable when using the ambient sound mode in a quiet environment has been reduced.  Noise reduction ratio have been improved by 25% in comparison with previous firmware version for RZ-S500W -25% and by 50% for RZ-300W.

Reduced white noise
Optional blinking LED setting

Optional blinking LED setting

Using your RZ-S500W or RZ-S300W with or without LED blinking is up to you to decide now.

*LEDs blink in default settings.
*Bluetooth blinking LED ON/OFF setting is effective only when the headphones are connected to a smartphone (when listening to music, on a phone call, when transferring firmware, etc.). LEDs will continue to blink when initially paired with a smartphone and when a call is received.

How to update your RZ-S500W or RZ-S300W?

Keeping up with the latest updates on your RZ-S500 or RZ-S300 is easy
Thanks to Panasonic Audio Connect App, not only you can customize your setting, connect the Panasonic True Wireless earbuds or find the earbuds location, but also the App will notify you about new firmware availability.

Before you start

Charge both the left and right sides of the headphones to more than 70%.
The update process will take approximately 15 minutes* to complete.
The file size is about 1.8 MB.

*The update may take up to an hour depending on the device and internet environment.

Checking the firmware version and updating

You can use the free “Technics Audio Connect” app* to update the firmware of the connected headphones.

*Compatible with smartphones and tablets that are equipped with Android™ 6.0 or higher and that support Google Play™, or an iPhone ®, iPad ® and iPod Touch ® equipped with iOS9.3 or higher.
*Images below are of the app on an Android™ device. The user interface will differ slightly on iOS, but the procedure is the same.

When the latest version of the firmware is detected, tap “Update”.

How to update your RZ-S500W or RZ-S300W?

When you tap "Update", the firmware is transferred to the headphones and the update will begin. Transfers may be interrupted or slowed down if music is being played or there is a call during the transfer. Start the transfer with the headphones outside of their charging cradle, set them down close by and do not operate them.

How to update your RZ-S500W or RZ-S300W?

Wait until the update completes, without operating the headphones or the app.
After the firmware has been updated, the headphones will automatically restart and reconnect with the handset.
The app will not work properly until the update is complete. Do not try to operate the headphones or the app while the update is in progress.

The update is complete when the main screen appears.

[NOTICE]
Functions, function names, and specifications are subject to change without notice.

TRADEMARK NOTICE:
iPad, iPhone, and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.
Google, Android, Google Play, and other related marks and logos are trademarks of Google LLC.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Panasonic Corporation is under license. Other trademarks and trade names are those of their respective owners.