Langder Wireless Bluetooth Eye Mask headphone Sleeping Headphone Eyemask Built-in Speakers Micophone,Hand free speaking calls and music Enjoy Washable design color Grey It is wireless,bluetooth,Built in speakers and Micophone,can be used to speaking the phone calls,listeing to the music. Soft memory foam material, so comfrotable! it can be used as the sleeping eye mask to avoid he noise sounds,protect eyes. It is perfect for long traveling on the airplane ,rest at home,office,you could relax your eyes from blocking the light al the times. It is built in Li-battery, when there is no power , you can charge it with the mini USB Cable. It is washable , when it is dirty , you can wash it after remove the electronis parts.