Great Multifunctional Sleep Headphones: Sleep Headphones & Sleep Mask & Sport Headband 3 in 1. The sleep headphones let you listen to music without wearing extra headphones and protect you from interference from your messy hair and sweat. The sleep headphones have a built-in microphone, so you won't miss any calls. Very suitable for fitness, exercise, running, yoga and other outdoor activities.^ LONGER SERVICE TIME & HIGH QUALITY PLAYBACK: Bluetooth sleep headphones come with an upgraded USB rechargeable battery that charges about 2-2.5 hours and provides more than 10 hours of playtime. High-quality chipsets ensure clear sound and lossless music. Built-in microphone and volume control buttons, which allows users to answer phone calls hands-free and play previous/next song without using your phone^ SUPER SOFT AND BREATHABLE HEADBAND HEADPHONE: The Bluetooth headband sleep headphones are extremely soft and lightweight. It is made from durable braided cord and features a breathable mesh lining, easily stretches to accommodate all head sizes, is also incredibly soft and hypoallergenic. Bluetooth sleep headphones are washable, just detach the speakers and clean the headband