Provides a better sleep experience - This Bluetooth pillow speaker uses bone conduction technology, bone conduction vibration sound generator, and adaptive noise reduction technology. It can deliver clear music and soothing white noise to the human ear without being worn on the ear, and there is no need to worry about the sound affecting the family around you. White noise for healthy sleep - The bone conduction pillow speaker is a music box for sleep aid, specially adapted to relieve sleep problems. The sleep aid comes pre-installed with 8 white noise sounds that can help you and children fall asleep more easily. It can have a good effect for adults and children to fall asleep. Whether it's a nap during the day or sleep at night, it can improve sleep quality and make your sleep healthier. Bluetooth connection or TF card - The under-pillow speaker conveniently connects to mobile phones, tablets, and other devices to enjoy premium music at any time. Enjoy premium music playback at your convenience, and enjoy the relaxation that wireless connectivity provides! Or you can use a TF card to enjoy a personalized song experience. Long service time - This pillow speaker can work up to 30 hours on a single charge (40 minutes charging time). A built-in timer function can be activated by double-clicking the M button (this activates a 60-minute auto-off timer), which can save battery power and spare you from manually waking up to turn it off. Compact and portable design - The sleep speaker is small and lightweight, designed to fit comfortably under your pillow for seamless integration into your sleep routine, allowing you to enjoy your favorite audio without disturbing others.