Headphones for Sleep & Sports Headband 2 in 1. Bluetooth headband allows you to listen to music without having to wear additional headphones and protects you from being disturbed by your messy hair and sweat. Built-in microphone to let you won't miss any callings. Bluetooth sleep earbuds perfectly suitable for gym, workout, running, yoga, sports, other outdoor activities and take a nap indoors or in the office as a sleep mask with Bluetooth headphones.