BST-400 Stereo Bluetooth Sleep Sound Therapy System

Enjoy white noise, nature sounds and Bluetooth music with our high fidelity stereo Bluetooth sound machine. Sleep sound therapy has never sounded this good – and neither has your music. Listen to built in sounds or stream from your Bluetooth enabled device.

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Product Description

Relax or fall asleep with professional quality sound from the Sound Oasis stereo Bluetooth® sound machine and speaker. High-quality aluminum construction ensures a durable experience that will last for many years. Super bass stereo sound from the dual speaker and subwoofer system creates a lifelike reproduction of music and sounds. The flexibility of this sound machine allows you to play high quality built-in sounds or stream music via Bluetooth® from your Bluetooth enabled devices such as a phone, tablet or laptop. Turn your device into the ultimate white noise machine using our white noise App, stream relaxing sleep music from your phone or play high fidelity white noise and nature sounds from the built-in sound card.


  • Sound system
  • USB cable
  • Charger/Wall plug
  • SD card preloaded with 20 of our best sounds

Bluetooth sound machine

Create your own tailor made sound machine experience

This device is compatible with our custom sound cards for Bluetooth sound machines. Create your own sound environment, sleep machine or white noise machine by ordering a custom sound card here. built in sounds and bluetooth


  • Includes micro SD card slot with one micro SD card preloaded with 20 sounds
  • Bluetooth® 4.0 with 30 foot range
  • 2 x 10 watt speakers with >80 dB volume
  • Auxiliary input jack
  • Hands free telephone use
  • Sleep sensitive indicator lights that turn off after 10 seconds
  • Back, play/pause, forward, power, mode and volume buttons
  • Built-in rechargeable lithium battery (3.7 V, 4,000 mAh)

Weight and Dimensions

  • Product dimension : (200mm x 60mm x 64mm) / 7.87” x 2.36” x 2.52”
  • Product weight : (676 grams) 1.5 lbs

How It Works

bluetooth sound machine features

Power Button - Press to turn the Stereo Bluetooth Speaker on. Press and hold to turn the Bluetooth Sound Machine off.
USB Port - Charge the device by plugging the micro USB port to a power source. The USB port can also be used to connect the device as a Stereo PC speaker.
Aux Input - Plug in your own music source and use the BST-400 Stereo Speakers as an external speaker
Built in Sleep Sounds - the Stereo Bluetooth Speaker and Sound Machine comes with built in sounds to help you sleep and relax. Customize your own sound mix by creating a new SD card using our custom sound card creator. Custom card works with both BST-100 and BST-400 sound machines.
2x 10 Watt Speakers and subwoofer - The Sound Oasis Stereo Speaker comes with 2 powerful speakers and a subwoofer for realistic and relaxing music playback.
4000 mAh Battery - Long battery life even at high volume is possible because of the device's large battery. Get up to 8 hours playback time on a single charge.



I love loading mp3s onto the card so that I don't have to use my phone to control/turn on sounds. Great sound quality!
- Danielle, D.M.
Great bass sound! Super sound for such a compact item!
- Jamie, D.
Oh my goodness. You have no idea what you have unleashed - my house has great acoustics and with this speaker I will make the windows rattle. My other speaker was a Barbie one by comparison!! Thank you!!
- Lorie, C.

Included Sounds

Click on any sound to hear a short preview.

Brown Noise
Gentle Surf
Hawaiian Dream
Jet Interior White Noise
Maui Surf
Natural White Noise
Ocean and Crickets
Ocean Surf
Ocean Surf With White Noise
Pink Noise with Delta Waves
Rain With White Noise
Soft Pink Noise
Soft Pink Noise with Delta Waves
Soft White Noise
Steady Rain
Summer Night
Thunder and Rain