Sony h.ear on 3 Wireless NC Help Manual page 78

Fast-reverse: Swipe backward and hold. (It takes a while until fast-reversing starts.) Release at the desired playback
point.
Increase the volume: Swipe up repeatedly until the volume reaches the desired level.
Decrease the volume: Swipe down repeatedly until the volume reaches the desired level.
To change the volume continuously: Swipe up or down and hold. Release at the desired level.
Note
If the communication condition is poor, the Bluetooth device may react incorrectly to the operation on the headset.
The available functions may vary depending on the connected device. In some cases, it may operate differently or may not work
at all even when the operations described above are performed.
5-007-092-11(3) Copyright 2019 Sony Corporation
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