Combines a comfortable eye mask with wireless headphones, enjoy the sound nap while immerse in beautiful melodies. Stable wireless connection provides music playing function and hands-free calling function after paring with your phone to help you fall asleep by blocking out light effectively. Built-in advanced chip set and 150mAh rechargeable battery allow you to enjoy a whole night music about 8 hours with crystal clear stereo sound after 2 hours’ fully-charged. Made of skin-friendly knitted cotton, it can provide you a super comfortable wearing experience. Wash after removing the speakers inside. 2 In 1 Sleep Headphones & Eye Mask: Wearing this wireless Sleep Headphones eye mask, you can enjoy a sweet sleep while listening to your music, without having to wear additional headphones and isolate noise from outside. Built-in microphone makes you won\'t miss any callings. Suitable for home, travel, yoga or any place need close your eyes. Also helps with insomnia, relaxation, meditation and more. Perfect Light Blockout: Come with soft bending cartilage design, our sleep mask can effectively block lights coming from all directions, and the extra cushion completely prevents slight lights from the nose area gap, giving you the best sleep no matter where you are! Perfect for frequent flyers or sensitive sleepers (insomnia) who dislikes glaring lights in any occasions. Crystal Clear Sound: Built-in advanced chip set to ensure impressive crystal clear stereo music without loss when sleeping, or practicing yoga. And it can be paired with any phone (with iOS or Android system) and computers with Mac and Windows operating system. Enjoy Music Whole Night: Charge for only 2 hours, then you can enjoy a whole night music time about 8 hours, meeting the National Sleep Foundation recommendations for appropriate sleep duration for adults. No more nightmare and sleep like a baby! Skin-Friendly & Fully Washable: Made of Crystal Velvet and on the surface and soft Knitted Cotton in the lining, our sleep mask features soft, skin-friendly, breathable, and lightweight to provide you a super comfortable wearing experience. Our sleep mask is fully washable after removing the built-in detachable speakers (only 0.47in thick). And its hook & loop and elastic strap design makes it fit most people with head circumference from 17.7in to 25.6in. Friendly Reminder: *Only connect wireless in one device at one time, please make sure disconnect with the previous wireless device when connect a new device. Brand: iNOVA Product Type: Wireless Headphones Sleep Eye Mask Version: Wireless 4.2 Wireless Name: BT-03S Color: Black Material: Crystal Velvet Composite Sponge, Knitted Cotton (Lining) Wireless Distance: 10m/32.81ft Speaker: 32Ω/0.05W Battery: 150mAh Charging Time: 2 Hours Music Time: 8 Hours Head Circumference: 45cm-65cm/17.7-25.6in USB Charging Cable Length: 26cm/10.24in Item Size: 60x13x2cm/23.62x5.12x0.79in Item Weight: 63g/0.14lbs Package Size: 17x13.5x6.5cm/8.7x5.32x2.56in Package Weight: 106g/0.24lbs 1 x Wireless Headphones Sleep Eye Mask 1 x USB Charging Cable 1 x User Manual