Material: Headband: Made of soft and breathable cotton fabric, designed for comfort during exercise or sleep Earbuds: Built-in wireless Bluetooth earbuds, built into the headband or eye mask, with soft padding around the earbuds for added comfort Eye Mask: Optional feature, made of the same soft material, designed to block out light for sleeping or relaxing Dimensions: Headband Size: One size fits most, typically 20 to 24 inches (50 to 60 cm) in circumference, with adjustable or elastic straps Eye Mask Size: 7 to 9 inches (18 to 23 cm) in width, designed to comfortably cover the eyes without putting pressure on them Weight: Lightweight design, about 50 to 100 grams, ensuring comfort during use without adding bulk
