High-fidelity and soothing sound: The sleep mask uses HiFi high-definition sound and the latest Bluetooth 5.0 technology to help block out destructive environmental noise and easily fall asleep. The thickness of the sleep mask is only 0.6 cm, with a soft coating, making you feel comfortable and relaxed. Very suitable for side sleepers. Perfectly block out light, fall asleep anytime, anywhere: The perfect headband to block out light, the unique 3D nose contour design and the soft fabric prevent all light from entering your eyes, creating a resting area that will definitely let you sleep well, wider The eye space is better than traditional flat masks, freeing your eye movements. This eye mask is suitable for travel, home, hotel, train or any place troubled by light.Comfortable and no intraocular pressure: 3D contour eliminates eye fatigue, zero pressure on the eyes and promotes sleep. Compared with other sleep masks, it brings a stronger concealer effect and a larger contour space, and will not stain your eyelashes. The lightweight and smooth material is very suitable for people suffering from insomnia, migraines and dry eyes.[1-2 hours fast charging and playback for 10 hours] Sleep goggles, built-in upgraded high-power battery chip, the earphones only need to be charged for 1-2 hours, the talk/music playback time can reach 10 hours, bringing you a long and comfortable sleep time.Excellent gift choice: Blindfolds are the choice of most people. A unique tech gift for men, women, boys and girls as birthday gifts."