Total Blackout Sleep Mask with Bluetooth Music System Features: Full Coverage Design: Uniquely designed to block light effectively, including the nose area, ensuring a night-like darkness for better sleep. 3D Contour Design: Ergonomically shaped to fit comfortably without pressing on the eyes, allowing free movement and a pressure-free experience. Adjustable Strap: Soft and adjustable to prevent hair tangling and ensure a secure fit. Bluetooth Connectivity: Latest Bluetooth technology for a stable and long-range connection, delivering high-quality sound for an immersive experience. Long Battery Life: Quick 1-2 hour charge provides up to 10 hours of continuous playtime, suitable for all-night use without disturbance. Comfortable Fabric: Made from super soft, lightweight, skin-friendly, and breathable hypoallergenic material, ideal for those with sensitive eyes or skin conditions. Additional Benefits: Allows listening to music without additional headphones, aiding faster sleep. Sunglasses-shaped design fits all face types and adds a fashionable touch. Comes with a USB charging cable and instructions. Warranty and Notice: The Bluetooth sleep mask requires an initial 20-minute charge to activate the charging status after a long period of non-use. Ideal Gifts: Perfect for Christmas, Valentine's Day, or any occasion, suitable for men, women, teens, and all ages.