NEW DESIGN-We listen to your feedback, after long-term research and data, we updated every details and make better wireless music sleep headphones eye mask to fit you. FIT FOR SLEEPING WITH PROBLEM -The Sleep headphones mask adopted 3D ERGONOMIC TECHNOLOGY for eyes area and block out 100% of light to create absolute dark zone and listen to music without wearing additional headphones for you sweet deep sleep, great solution to the problem sleeper. Perfect for home, office, air travel, business strip, relaxation, mediation and insomnia. BLUETOOTH STEREO SOUND-Featuring Updated BLUETOOTH technology, stable connectivity and smooth transmission in high speed and long distance with low consumption for great stereo sound experience. Built-in adjustable high quality speaker and microphone for handfree and clear call. Sleeping mask can be WASHABLE you can take out the bluetooth moudle and wires out. Recommend to wash the mask by hand with warm water. ULTRA SOFT&GREAT FOR SIDE SLEEPER-Sleep headphones bluetooth sleep mask is designed with breathable material and comfortable feel, BREATHABLE SLOW-REBOUND MEMORY SPONGE and smooth fabric let you release your facial stress and help get into sleep rapidly. Bluetooth control on the middle and is perfectly fit for side sleeper. UPDATED BATTERY-Built-in the premium high-performance battery Charge about 2-2.5 hours, provide more than 10 hours playing time, won’t be waked up at night, You can sleep peacefully all night. Bluetooth Sleep Mask For Side Sleeper