Bluetooth 5.4 & Seamless Audio: Featuring the latest Bluetooth 5.4 technology, the sleep eye mask ensures fast, hassle-free pairing and automatic reconnection. Enjoy stable, uninterrupted music with any Bluetooth-enabled device within a 33ft range.Superior Audio with All-Night Battery Life: The eye mask for sleeping offers rich, HD stereo sound that enhances your relaxation, paired with a powerful battery that provides up to 10 hours of continuous playtime after charging for only 1-2 hours perfect for a full night's sleep without being interrupted by beeping alert or the need for recharging. (Adjust the headphones to align with your ears for optimal hearing experience)Sleep Mask & Sleeping Headphones All in One: Combining sleep mask with ultra-thin wireless Bluetooth headphones, sleep mask with bluetooth headphones allows you to fall asleep with your favorite soothing music, preventing you from being disturbed by outside noise or snoring. Perfect for insomnia, meditaion and yoga.Adjustable Strap Fits All Sizes: eye sleep mask is designed with an adjustable strap to fit heads of all sizes. You can adjust it to the desired fit to sleep comfortably. It makes a perfect gift for men, women and travelers, etc.Breathable Earpads without Pressure: The earpads of the mask feature a lightweight, breathable mesh design, allowing you to enjoy music without putting pressure on your ears or causing sweating, ensuring a cool and comfortable sleep all night.3D Contoured, Lightweight, Light-blocking Sleep Mask: Bluetooth sleep mask features a lightweight design, smooth and breathable material, with 3D contoured structure around the eyes, no pressure on your eyes and face, making it comfortable to wear. The mask effectively block light, completely shielding you from external light, creating an optimal sleeping environment, whether for a midday nap or long-distance travel, ensuring you enjoy peaceful, uninterrupted rest.