- 3-in-1 Functionality: This innovative sleep mask serves as headphones, a sleep mask, and a sports headband. It effectively blocks light while allowing hands-free calls and music playback, making it an essential companion for sleep, napping, relaxation, and meditation. - Universal Fit: Designed with a high elastic lining, this sleep mask comfortably fits most men, women, and teenagers. For optimal performance, keep the mask dry after use and store it away from acidic, alkaline, or sharp objects. - Long Battery Life: Featuring a 150mAh rechargeable lithium battery, enjoy up to 72 hours of Bluetooth standby time, 7 hours of maximum volume, and 10 hours of music playback at medium volume. Experience uninterrupted personal space and deeper sleep. - Comfortable and Washable: Crafted from durable polyester fabric, this sleep mask is soft, lightweight, and breathable. It is also washable; however, remember to remove the earmuffs before cleaning to prevent damage. - Travel Essential: These sleep headphones create a private sanctuary for enhanced sleep and enjoyable music experiences. They make an ideal gift for family or friends during the holidays and are a must-have for travel and plane rides. Use Scenarios: 1. Perfect for long flights, allowing you to block out noise and light while enjoying your favorite tunes or podcasts. 2. Ideal for meditation sessions, helping you relax by blocking distractions and providing soothing sounds. 3. Great for napping at home or in the office, creating a peaceful environment to recharge without interruptions.