3D surround sound - Put it under the pillow, as if you are there, realistic 3D stereo sound quality, presenting you with an extraordinary listening experience.<br> Powerful 8-hour battery life - 400mAh rechargeable lithium polymer battery, fast charging, long battery life.<br> Bluetooth 5.0 mode - Adopt high-quality Bluetooth chip, equipped with high-performance chip, faster and more stable, low latency and low power consumption, clearer sound.<br> Three-stage timed shutdown - Automatic timed shutdown in three sections of 30/60/120 minutes, easy to set, sleep peacefully.<br> Do not disturb the pillow - Vibration playback, exclusive music, watch short videos, listen to music, will not disturb the pillow.<br> Bone conduction Bluetooth speaker under the pillow White noise sleep aid sound bar with LED display Timed shutdown TF card music player.<br> 6 kinds of stress-relieving sleep sounds - 6 series of natural sounds, let you say goodbye to negative emotions, different sound scenes make you feel calm and fall asleep peacefully.<br> Colour:As Shown<br> Material:Plastic<br> Package Contents:<br> 1 * Bluetooth speaker<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.