The Sound Oasis is a great product for anyone who has trouble sleeping at night in dead silence or for anyone who is looking to mask other sounds around their neighborhood or house while they sleep. Powered by four AA batteries or an AC adapter, this sound machine will offer you the choice between six, high-fidelity, natural and soothing sounds.

Additionally, it allows for the setting of a timer that will keep sound playing for either 30 minutes, 60 minutes or 90 minutes, depending on what you prefer. Not to mention, it includes a digital alarm clock that will sound when it is time to wake up in the morning, meaning you don't have to take up too much space on your nightstand with two separate devices.

Best Features:

• Choose from six, high-fidelity, natural sounds.
  
• Timer can be set for 30 minutes, 60 minutes or 90 minutes. 
• Powered either by four AA batteries (not included) or an AC adapter (included)

Overall the Sound Oasis S-550-05 Sound Therapy System receives 4.2 out of 5 stars on Amazon, with most users claiming it works well, is easy to use and isn't overly large, making it easy to keep on their nightstands. However, there are a decent amount of users who wish this product could go a bit louder in regards to volume. 

The Sound Oasis is a great product for anyone who has trouble sleeping at night in dead silence or for anyone who is looking to mask other sounds around their neighborhood or house while they sleep. Powered by four AA batteries or an AC adapter, this sound machine will offer you the choice between six, high-fidelity, natural and soothing sounds.

Additionally, it allows for the setting of a timer that will keep sound playing for either 30 minutes, 60 minutes or 90 minutes, depending on what you prefer. Not to mention, it includes a digital alarm clock that will sound when it is time to wake up in the morning, meaning you don't have to take up too much space on your nightstand with two separate devices.

Best Features:

• Choose from six, high-fidelity, natural sounds.
  
• Timer can be set for 30 minutes, 60 minutes or 90 minutes. 
• Powered either by four AA batteries (not included) or an AC adapter (included)

Overall the Sound Oasis S-550-05 Sound Therapy System receives 4.2 out of 5 stars on Amazon, with most users claiming it works well, is easy to use and isn't overly large, making it easy to keep on their nightstands. However, there are a decent amount of users who wish this product could go a bit louder in regards to volume.