[HD STEREO SOUND WITH BLUETOOTH 5.2: Experience crystal-clear sound with MUSICOZY 3D Sleep Headphones; the latest Bluetooth 5.2 technology ensures faster pairing enhanced connectivity and superior sound quality; seamlessly connects to any Bluetooth-enabled device within a 33-foot range offering immersive audio without the discomfort of traditional earbuds 3D CONTOUR DESIGN WITH EYE PRESSURE RELIEF: Ergonomically designed for comfort these Bluetooth sleep headphones feature a 3D contour that provides ample eye space without pressure; crafted from soft memory foam and smooth ice silk lining it relieves facial tension making it easier to fall asleep quickly and stay asleep longer BREATHABLE FABRIC WITH LIGHT-BLOCKING TECHNOLOGY: The breathable fabric surface keeps you cool and comfortable while the innovative nose baffle design effectively blocks out all light; ideal for achieving total darkness and enhancing sleep quality; perfect for use at home during travel or in any setting where light and noise are concerns "QUICK CHARGE EXTENDED PLAYTIME: With an upgraded battery MUSICOZY Sleep Headphones charge fully in just 1-2 hours providing up to 14 hours of continuous music or talk time; designed for uninterrupted sleep the mask remains silent even when the battery runs low ensuring a peaceful nights rest" "PERFECT GIFT FOR ANY OCCASION: This Bluetooth Sleep Headphones set is the ultimate gift for anyone in need of a good nights sleep; ideal for birthdays holidays and special occasions it makes a thoughtful present for women men travelers and tech enthusiasts alike; includes Bluetooth Sleep Mask USB Charging Cable User Manual and Carry Pouch for easy portability"]