Expand enjoyment of your Sound Oasis with new and different sounds. Simply insert these new micro SD cards into your Sound Oasis BST-80, BST-100, BST-150 or BST-400 to enjoy 20 new sounds. Available in a variety of sound themes, each patent pending MP3 sound track is 8 โ 10 hours long so you can enjoy our superior Sound Oasis sounds all day or all night.
