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Teufel Airy True Wireless
5.3 Activating voice services
The voice services from iOS (Siri) or Android (Google Assistant) can be used
on smart phones connected to the earphones. The services can be activated
as follows:
Function
Operation
Activate Voice Assistant
Stop Voice Assistant
5.4 Volume
Volume is controlled by the connected device.
The factory default volume level of earphones is set to 100% output.
Audio volume is faded-in and faded-out when the audio playback is played or
paused and when the earphones are powered on or off.
Note:
Sound settings of your Bluetooth device may affect the sound quality of your earphones
negatively.
(E.G. Equalizer, Effects)
Make sure they are turned off first to get the best sound quality.