[Easy to Use & Perfect Gift] Equipped with English voice prompts and operation positioning points, you can easily switch white noise sounds and adjust volume without removing the eye mask. Don’t hesitate to send this thoughtful gift to your friends and family for birthday, Christmas, etc.. [Rechargeable & Portable] Built-in with a rechargeable 250mAh battery, our eye mask provides up to 7 hours of use on a single full charge. It also comes with a charging cable and a storage bag so you can enjoy your cozy snooze on the go. [3D Contoured Design] Tested and analyzed by over 3000 diverse facial models, our eye mask can fit various face shapes. With zero pressure on eyes, you can blink freely and don’t have to worry that the eye mask will mess up your eye makeup. Besides, it can block distracting lights to achieve total darkness. [Ultimate Comfort] Made of premium cotton fabric, this eye mask is comfortable and breathable to wear. The adjustable strap helps create a comfortable fit and secure the eye mask in place. This eye mask is a perfect gift for your family to have a peaceful sleep anytime and anywhere. [Immersive Natural Sound Experience] This eye mask features 12 built-in white noise sounds, including streams, waves, birdsong, drizzle, seagulls, firewood, thunder, clock ticking, and so on. It offers a peaceful and relaxing environment for you to sleep soundly.