There are also new ways to configure sound volume, though those are naturally different from smartphone model to model. (slashgear.com)
Their top sound volume is fairly high and is just right for the average - sized room. (tomsguide.com)
Sound Oasis Travel S - 850W noise machine incorporates a multi-position timer (with 4 selections: continuous, 30, 60, and 90 minutes), a unique «gradual off» volume reduction feature for a peaceful decrease in sound volume, a rotary on / off volume control, headphone jack and a one - touch off / resume button that stops the unit or repeats your last played sequence. (soundoasis.com)