Cutting-Edge White Noise Technology: Our Pillow Speaker incorporates sophisticated white noise technology actively minimizing disturbances to foster a serene sleep environment, ensuring a restful night sans the necessity of a TF card. Innovative Bone Conduction Capability: Employing bone conduction technology, this speaker offers optimal sound transfer directly through the pillow, particularly advantageing side sleepers with an immersive auditory experience minus any headphones. Seamless Wireless Bluetooth Connectivity: Effortlessly connect the Pillow Speaker to any Bluetooth-enabled device for smooth, wireless audio streaming, allowing you to easily integrate relaxation into your daily routine without any cumbersome cords. Constructed with Excellence: Made from premium materials, our Pillow Speaker for its durability and , promising numerous nights of uninterrupted soothing sounds to enhance your sleep quality and relaxation. Ultimate Relaxation and Recovery: Engineered for relaxation and de-stressing, our pillow speaker serves as an essential tool for nightly calming, meditation, and soothing tired minds before sleep, making it an intimate relaxation partner after a taxing day. Charging voltage: 5V or 1A Working voltage: 3.7 or 4.2V Battery capacity: 300mAh Bluetooth version: 5.0 Bluetooth distance: 10 meters Interface: Type-C. Charging time: 2 hours Playtime: 8 hours Mode: Charging state: the red light is always on. Connecting: the red and blue lights are flashing. Connect: Turn off the lights. Colour:Black Material:ABS Package Contents: 1pc x Speaker 1pc x USB Charging Cable Only the above package content, other products are not included. 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.