The speaker placed under the pillow uses Bluetooth bone conduction technology and has a built-in white noise generator, volume control, and sleep timer.

Product Features: Pillow Speaker: This wireless Bluetooth bone conduction pillow speaker uses the latest bone conduction technology. Its two speakers transmit sound to your ears through vibration, without disturbing those around you, and without the need for earplugs. Bone Conduction Technology: Transmits sound through gentle vibrations, allowing you to hear every detail clearly, without earplugs or earmuffs. Comfortable, Wireless, and Unrestricted: No headphones, no cables, no pressure. Enjoy a peaceful, undisturbed night's sleep. Quiet and Private: Enjoy your own music while your partner sleeps. Rechargeable and Portable: Slim and lightweight with long battery life, accompanying you to sleep anytime, anywhere. Notes: 1. Due to different lighting conditions, the actual color may differ slightly from the picture. 2. Please allow 1-3 cm error due to manual measurement. Product Description: Battery Capacity: 300mAh; Product Dimensions: 96*11mm; Power: 5W; Input: 5V/1A; Package Contents: 1 x Pillow Speaker