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.
Sound Oasis Deluxe S-5000 sleep sound therapy system creates a peaceful environment that leads to sound sleep, relaxation, and tinnitus relief. It offers the listener with 145 sound possibilities that include 24 main sounds and 5 mix sounds that allows you to customize your sound environment.