Bluetooth 5.2 Sleep Headphones, 3D Music Headphones for Side Sleepers with 20 White Noise Options (Black)

3-in-1 Function: Bluetooth, white noise, and a synchronization function allow you to switch between Bluetooth and white noise playback modes to promote sleep. Five timer options are available: 30 minutes, 60 minutes, 120 minutes, 180 minutes, and 240 minutes. It includes 20 built-in white noise selections and 4 sleep aid music tracks. 15 Hours of Continuous Playback: Equipped with a V5.2 Bluetooth chip, these headphones offer ultra-low power consumption and long battery life, providing up to 15 hours of continuous music playback, enough to last all night. For iOS devices, the battery level can be displayed, and the smart voice app can be activated. Unique 3D Contour Design: Designed with ergonomics in mind, these Bluetooth sleep headphones feature a wider and deeper eye cup, preventing pressure on your eyes and face and preventing eyelid rubbing. In addition, the breathable mesh fabric and ice silk lining can relieve facial pressure and help you fall asleep quickly. Thoughtful design: The ultra-thin 5mm earphone speaker is wrapped in soft felt fabric to ensure no pressure is placed on the side of the ear. The eye mask has a zippered pocket where you can add a hot or cold compress for a completely different experience. Adjustable visor: Blocks light to improve your sleep, allowing you to fall asleep faster. The earphone position in the headband is adjustable, and it features an elastic strap to fit almost any head circumference. The earphones are detachable for easy cleaning of the mask.