By Mlth, 29 July, 2014 Forum Hardware and Accessories Hi. Is it possible to adjust the volume of the Voice prompt in the first generation aftershokz bluez? If so, how? Best regards, Malthe. Options Log in or register to post comments Comments adjusting the volume of the after shook blues To adjust the volume on the headset you have to be in a call or playing music. This is not possible. I just tested with my Aftershokz, and it does not seem possible to adjust the volume of the voice prompts like "battery high", "audio device connected", ETC. I hope this feature will be added in newer models.