The BST-100 plays pleasing white noise and nature sounds such as ocean surf all night long that will help your grandma sleep peacefully. Best part of this sound machine cum bluetooth speaker is that you can connect it to your phone and it becomes speaker for your phone.
Proven to help you sleep, and relax; the S-850W Sound Oasis Travel Sleep Sound Therapy is a innovative machine that blocks out annoying hotel noises, manage tinnitus and creates a peaceful sleep environment be it at home or traveling.
Here is a testimonial video by Karissa Mackin as she talks about the benefits and features of the S-850W Sound Oasis Travel Sleep Sound Therapy System.