- 3-in-1 Design: This innovative sleep mask serves as headphones, a sleep mask, and a sports headband. It effectively blocks light while allowing for hands-free calling and music playback, making it an ideal companion for sleep, napping, relaxation, and meditation. - Universal Fit: Featuring a high elastic lining, this sleep mask comfortably fits most men, women, and teenagers. To maintain its quality, ensure the mask stays dry after use and store it away from acidic, alkaline, or sharp objects. - Long Battery Life: Powered by a 150mAh rechargeable lithium battery, this mask offers up to 72 hours of Bluetooth standby time, 7 hours of use at maximum volume, and up to 10 hours of music playback at medium volume. Experience uninterrupted relaxation and deep sleep. - Comfortable and Washable: Crafted from durable polyester fabric, this mask is soft, lightweight, and breathable. It is also washable, but remember to remove the earmuffs before cleaning to prevent damage. - Travel Essential: These sleep headphones create a private haven for enhanced sleep and pleasurable music experiences. They make an excellent gift for family or friends and are essential for travel and long flights. Use Scenarios: - Ideal for blocking out light during flights, ensuring you arrive refreshed. - Perfect for napping at home or in the office, enabling you to recharge quickly. - Great for meditation sessions, allowing you to immerse yourself in calming music without distractions.