Controlling the sound level is a mess; sometimes it stops the music completely or make annoying loud beeps. It is easier to remove the mask and make adjustments on the smartphone. I would say it is poor engineering from user experience aspect. As I ordered multiple similar devices, this is far the best from all.

Controlling the sound level is a mess; sometimes it stops the music completely or make annoying loud beeps. It is easier to remove the mask and make adjustments on the smartphone. I would say it is poor engineering from user experience aspect. As I ordered multiple similar devices, this is far the best from all.

Controlling the sound level is a mess; sometimes it stops the music completely or make annoying loud beeps. It is easier to remove the mask and make adjustments on the smartphone. I would say it is poor engineering from user experience aspect. As I ordered multiple similar devices, this is far the best from all.