According to the structure of the human nose bridge, the nose wing adopts an inclined design, and the nose wing can be automatically wrapped along the nose bridge when wearing, and the fit is greatly improved, making it more comfortable and more shading.The two sides of the eye mask are designed with slopes, and the thickness gradually decreases from the forehead to the sides. Even in a tight wearing state, it will not cause too much pressure on both sides of the ear gallery.The shape and structure of the eye mask is ergonomically designed, which is suitable for different face shapes. Pay attention to every detail of the eye mask fit, fully wrap the face, and can withstand the exposure of high-intensity light.Real ice silk fabric, first grade cotton perfect to absorb sweat soft & no pressure on eyes,spandex and polyester cool all night smoothOur lightweight and portable sleep mask is a good helper for you to eliminate fatigue, improve sleep quality. Fit for Travel, Shift Work, Meditation, Yoga etc. Suitable for different kinds of occasions such as indoor, outdoor and campingSpecification:Product name: Sleep Eye MaskColour: Blue, PinkBattery type: Li-polymer battery 3.7V voltageProduct material: ice silk cloth + spongeBluetooth solution: Bluetooth 5.2Charging port: USBEffective distance: more than 10MCharging time: 1-2HBattery life: 14HBattery capacity: 150MAWireless distance: more than 10 metersFunction: music/call/time shutdown/wake up voice assistantPackage Includes:1 x Eye maskWelcome to the shop. I wish you a happy shopping and a good mood every day. If you have any questions, you can contact us We will reply to you within 24 hours!