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 stands out for its durability and longevity, 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/1A Working voltage: 3.7/4.2V 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.