Check the listing for details. Under Pillow Speaker HiFi Bluetooth White Noise Sleep Aid Timer Bedside Speaker. Color: Blue, Condition: New. Listed at 13.26 USD. Feature:1. This under pillow speaker accurately adjust through multi-stage sound cavity structures, and directional vocalization, so that the sound is transmitted to the ear in directional audio.2. There's no need to wear it on your ears, so wearing it for long periods of time won't cause pain like other headphones.3. Specially tailored to relieve sleep. It can have a good effect for adults and babies to fall asleep.4. Set a 30/60/90-minute countdown sleep mode, rest assured and sleep the whole night.5. Switch between Bluetooth/White noise modes. Stream your music or any other audio content over Bluetooth from your smartphone.6. Built-in 300mAh rechargeable battery, no need to be plugged in all the time to play. Up to 20 hours of sound playback on a .