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Fostex TM Sound Support is the best matched application designed to work with Fostex "TM Series", Bluetooth True Wireless Stereo earphones. It enables to update the firmware version by yourself so that you can enjoy using the earphones under the better condition. You can also control the Landscape Sound function to take in how much ambient sound you would like to hear. Newly added equalizer can adjust the sound quality.

What’s New

Version 2.0.5

◎The firmware has been updated from Version 3.0 to Version 3.1
ファームウェアをバージョン3.0からバージョン 3.1に更新しました。

・Improving stability when connecting 

・Improving capturing external environmental sound

・Adding 5 band equalizer, preset function 

・Adding touch sensor ON/OFF switch 

・Adding function to call AI assistant

・Improving firmware update operation 

・Adding system information page 

App Privacy

The developer, Foster Electric Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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