Feature： 1.3 in 1 Sleep Headphones & Sleep Mask & Sports Headband. 2.The High-fidelity stereo sound benefits from Bluetooth V-5.0 technology produce great sound quality which provide a well-closed and immersed environment for your ears,.3.Sleep headphones bluetooth sleep mask has a full coverage and uniquely designed of the nose area, effectively blocking light from entering, prevent light leakage.4.Sleeping headphones mask use memory foam materials and super soft fabric. It's very lightweight, and Skin-friendly breathable fabric is comfortable to wear.