Wearing? this Velvety smooth eye mask that also works as a headphone is the best way to relax and drift away to sleep while listening to your favorite music.? No need to wear extra headphones when you are getting some shut-eye while traveling or meditating at home. Just charge it and pair it with your Smartphone and get a high-fidelity ear-to-ear sound quality. It also pairs with any of your Bluetooth-enabled devices to? give you 9 hours of playtime.? Ensure EZ Sleep and have a musical good night with this 2-in-1 device.? DETAILS:The 2-in-1 mask is made of a smooth blend of Velvet and Cotton fabric that? makes? the? eyes feel cool and relaxed? instantly.It measures up to 26 inches and comes with a built-in Velcro, adjustable to fit around a big or a small head.It comes with a high-performance USB chargeable battery that? charges in 2/3 hours and you can use it all night long.The mask has a slip to place the Bluetooth module.The eye mask is hand washable and won't shrink., do take the Bluetooth module out before washing.It comes in 3 colors to suit your interest.