Get your best night's sleep! Light-blocking eye mask has memory foam for comfort, built-in flat headphones that work for back AND side sleepers, 10 built-in white noise options, and play/volume controls. Adjustable fit. Bluetooth 5.0 lets you connect to your mobile devices and fall asleep to your favorite music. Runs up to 10 hours per charge; USB charging cable included. 17.25" w x 4.25" h x 1" thick.