【Supreme Eye Sauna - Relax with Warmth and Vibration】Monons Hot Eye Mask, Rechargeable Sleep Mask, 3D Stereo Type, Japanese Voice, 3-Level Temperature Mode, Eye Warmer, Cordless Eye Care, Sleep Aid, Reusable, Unisex, Gift, Black ❤️ Brand New, Unopened, Immediate Purchase Welcome 【Rechargeable Sleep Eye Mask with 99.99% Light Blocking】Certified by the Japan Textile Products Quality and Technology Center (QTEC) with 99.99% light blocking (※Individual differences in fit may occur). Compatible with USB charging, it can be used in various environments such as office naps, during travel, and before bed. 【3D Stereo Design Gently Envelops】3D memory foam fits perfectly around the eyes, reducing pressure. The elastic strap and head protection design gently support the head, reducing strain even with prolonged use. 【Warmth x Vibration, Free Combination】Three-level temperature and 8-level vibration modes can be freely combined. In addition to the 4 basic modes (warmth/vibration/warmth & vibration/silent sleep), you can create 24 original settings to your liking. Japanese voice guidance supports operations while wearing the eye mask. 【Large Capacity Battery & Auto-Off Function】Equipped with a 1000mAh large-capacity battery. Can be used about 15 times on a single charge. Automatically turns off after 15 minutes of inactivity, so you don't have to worry about forgetting to turn it off, making it eco-friendly and economical. 【Unisex & Adjustable Eye Mask】With an adjuster, it fits perfectly for each individual. Because it doesn't require a size selection, it's also a great gift for loved ones. Delivers a relaxing moment for a little rest in your daily life.