?Improved Quality,Worry-Free Service? We upgraded the Bluetooth sleeping headphones headband for a better and stable sound,made it elastic to fit most head size,and adopted 56% NYLON/ 31% polyester/ 13% spandex material which feels cool touch for skin. If the sleeping headband phones you received happen to be malfunctioning,please let us know then we will provide you a free replacement or a refund. ?Bluetooth Sleep Headphones & Sleep Mask & Sports Headband & Bluetooth Headset 4 In 1? : Sleep headphones also can be used as eye mask or headband headphones. It can protect you from being disturbed by your mess hair and sweat, Built-in microphone also let you won't miss any callings, perfectly suitable for sleeping, meditation, travel, yoga, running, jogging and playing music, blocking lights, absorbing sweat or keep ears warm. ?Comfortable-Breathable-Washable-Freesize? : Headphones headband for sleeping are incredibly soft and fully washable,please remember to remove the speakers before washing. Headband headphones offer a breathable mesh lining, easily stretch to fit most head sizes. Sleep headphones is not just a sleep headphones headband, but also a perfect gifts for Christmas Birthday Father Mother Valentine's Day and many other gift giving occasions. ?Long Battery Life?- Sleeping headphones offer an upgraded USB-C chargeable battery,charge about 2-2.5 hours provide more than 10 hours playing time.Built-in microphone and volume control buttons which enable users to answer hands-free phone calls and handle previous/next song without having to use you. When the battery runs out, the sleeping headphone will turn off automatically instead of beeping a warning and waking you during the night. ?Help You Enjoy Music Comfortably?- With perfect clarity on high notes, no harshness to the low and high frequencies, low latency, and high fidelity, the sleep headphones headband flawlessly streams the sleeping sound from your Bluetooth phone or tablet and can play a variety of relaxing music or sounds, such as nature sounds, meditation music or white noise.
