Sleep Mask Relax with warmth and vibration Size: Free Color: Black Earplugs included Storage bag included USB rechargeable Instructions For eye fatigue relief: Relax with warmth and vibration Eye Mask Hot 3D Stereo Type Japanese Voice Eye Warmer Light Blocking Cordless Washable [99.99% light-blocking rechargeable sleep mask] 3D stereo design with zero eyelash pressure (wearing comfort varies). Significantly reduces light leakage from office naps to bedtime. Rechargeable for easy use and supports deep sleep. [For eye fatigue relief: Relax with warmth and vibration] 3 levels of heat x 8 levels of vibration can be freely combined. In addition to the 4 basic modes, it can be customized to your liking. Gentle on eyelashes with a 3D design, and easy operation with Japanese voice guidance. [Earplugs included! The strongest sleep combination that blocks light and sound] A rechargeable hot eye mask set with removable soft silicone earplugs (earplugs can be used alone). A fluffy, fitted 3D design that cuts out light and sound. Rechargeable, so you can easily support a good night's sleep anytime. [1000mAh large capacity, reusable eye mask] Can be used approximately 15 times on a single charge. Economical design that can reduce costs by about 90% in 3 years compared to disposable types. The removable inner pad is washable. Luxurious Lycra material feels great on the skin and is reusable, making it sustainable for daily use and environmental consideration. A rechargeable eye mask that relieves eye fatigue and improves sleep quality. p250801.2425.002101