It is a brand new design, They sound like the sound of rain, the sound of waves hitting rocks, the sound of wind blowing over leaves. They can calm people, relieve anxiety from work during the day Adopt a 3D curved shading design that fits the face to avoid light infiltration and affect sleep, and listen to soothing music to stabilize the sleep state Elastic headband easy fit most of head circle, size of sleep headphones is suitable for women/men/kids/teens. The face mask headset is detachable, just take the earphone out and wash your sleep mask Continuous playback with built- in environmentally friendly lithium battery, low power consumption and battery life, longer use time than ordinary earphones Our 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 MaskCharging time: 2HBluetooth protocol: V5.0Use time: 10HFrequency range: 20HZ- -20KHZBattery capacity: 200mA lithium batteryCharging voltage: 3.7V-4.2VBluetooth search name: BT-01Charging current: 150- -200mASensitivity: 88DMSignal to noise ratio: 90dBSpeaker impedance: 320+ 1 5%Speaker specifications: φ30mmMaterial: Polyester+ CottonOperating range: 10MSingle product weight: 160gPackage 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!
