Bone conduction Bluetooth sleep speaker, Hidden under the pillow, Sleep Aid Experience. Do not disturb theperson next to you: Feel the vibration and play exclusive music, Transmitting the sound without passing it on to others, enjoying your own "concert hall", watching short videos and listening to music without disturbing the person next to you. 10 types of stress relieving sleep aids, White noise accompanied by sleep, Say goodbye to negative emotions, different sound scenarios make your mood calm and you fall asleep peacefully. Timed shutdown, Rest assured and sleep the whole night: Automatic timed shutdown, easy to set, no need to wake up at night, sleep until dawn. Bluetooth 5.4 mode, Intelligent connection speed is fast: Using high-quality Bluetooth chips, equipped withhigh-performance chips for faster and more stable performance, low latency and power consumption, and clearer sound. 8-h powerful battery life, Continuous listening and charging at any time: Rechargeable polymer lithium battery, fast charging, long battery life. 3D surround sound: Stereoscopic sound quality presents an extraordinary listening experience. Lightweight weight, Portable design for multi scenario use: Lightweight design, flat shape, easy to put in pocket, no burden for travel. Color:Green Material:plastic Package Contents: 1 * Bone conduction music box 1 * Data cable 1 * Instructions in Chinese and English