? The Bluetooth sleeping mask are the coolest choice for people as cool tech gadgets, also a cost-effective gift. It can as unique gifts for men, women, teenagers, boys, girls, best friend, wife, husband, teacher, traveler, colleague as a birthday, Christmas holiday gift. With Bluetooth sleep headphones, you can sleep anywhere, anytime. Get one for yourself or someone you care about. ?Removable Headphones Washable Sleep Mask? Our headphones headband features flexible sizes,fit for most men women, removable speakers that make the headphones easy to take off and re-install.(How to wash the mask:There is a small opening next to each of the two earphones and Bluetooth module,please remove them gently from these openings when you need to wash the sleep mask). Before install them please mask sure mask is fully dry to keep the life-time of earphones and module . ?Tips: The earphones can be moved well so that it can fit your ear well?. ?-?Wireless Bluetooth headphones pair with Bluetooth 5.4 enables you connect devices quicker easier,upgrade USB rechargeable battery takes 1-2 hours charging and can provide up to 8-14 hours playing music, enjoy a good sleeping in the whole night! How to connect Bluetooth: 1. close all your Bluetooth in the phone. 2. long press the "on off" button to red blue light flash. 3. Connect and start enjoy with LC-dolida sleep mask. ?This masque de sommeil is made of Anlun High elastic and breathable material, release pressure to protect your ears.It's not just a Bluetooth cool tech gadgets for yoga, but also your ideal tool for sleeping.Pull it down as eyemask for napping,meditating or sleeping, decrease the light affect your sleeping quality, and let music accompany you fall into sleep efficiently without enduring any earbuds in ears, nice for side sleeper. ?-?Based on ergonomics, our Bluetooth sleep headphones mask is perfect for your face. The contours of the eyes area are deeper and your eyes can move freely. No pressure to your eyes, 3D sleeping mask perfectly solves the tightness of the silk sleep masks, and also bring you a whole dark rest enviroment. Double sides breathable material, allows your eyes to breathe better.