Langder Wireless Bluetooth Eye Mask headphone Sleeping Headphone Eyemask Built-in Speakers Micophone,Hand free speaking calls and music Enjoy Washable design color Black Handsfree Speaking & Listen to Music, This Sleeping mask headphone is Bluetooth 4.0,Buit in Speakers and Microphone,you can listen to music on the speakers and make/receive calls on the Microphone,Such Sleep Eye Mask works for any bluetooth capable devices,iphone, ipad, and Andriod devices. Perfect for sleeping during the traveling or at home or in the office,It is the best for people who is used by frequent flyers to sleep on long flights. You can enjoy your favorite music and handsfree speaking the phone call while you are sleeping or having the rest at home or in the office, it Can protect and relax your eyes when you sleep blocking from the lightis,making you have a good sound sleep Comfortable,such Sleep Eye Mask is made of superior Velvet materail outside and the Memory Foam inside,with the high elasticity adjustable strap on the back,it can be fitted properly,suit for most heads. Rechargeable,this Sleepphone headphone is built in Li-ion battery inside the eye mask, you can charge via USB Cable; There are also control buttons on the Eye Mask, you can press it to choose the next or the previous music,adjust the Volume,At the same time,you can pause it as well. Washable,you can remove the inner memory foam and the speakers out from the Velvet coat,then only wash the out coat.when the coat is dried,input the foam with speakers into it ,you can use it again .