1.3D Contoured Design for Ultimate Comfort: Our 3D sleep mask features an ergonomic contoured shape that comfortably fits the natural curves of your face. The design gently cushions your eyes without applying pressure, providing a relaxing and comfortable sleep experience, perfect for both travel and home use 2.Bluetooth Music Function for Relaxing Sleep: Equipped with Bluetooth technology, this sleep mask lets you connect to your phone, tablet, or other devices to enjoy soothing music, white noise, or meditation tracks. Whether you want to drift off to sleep with calming sounds or enjoy music while resting, the built-in speakers deliver high-quality sound without disturbing your surroundings 3.Total Light Blockage for Deep, Uninterrupted Sleep: Made from premium opaque fabric, this sleep mask blocks out all light, ensuring a dark and quiet environment for restful sleep. Ideal for sleeping on planes, trains, or in any bright setting, it helps you fall asleep faster and stay asleep longer, even in daylight or noisy environments 4.Soft & Breathable Material for All-Night Comfort: The soft, breathable fabric is gentle on your skin and designed to regulate temperature, keeping you cool and comfortable all night long. It prevents sweating and irritation, ensuring you wake up feeling refreshed, not overheated or uncomfortable