Sony WH-CH520 Wireless Bluetooth Headphones with Microphone-Black

High quality sound and comfortable . all-day listening in a wireless headphone. With up to 50 hours of battery life . you can listen to your favorite music without worrying about running out of charge. And . if your headphones battery is running low . a 3-minute quick-charge can give you 1.5 hours of listening time. A built-in microphone provides you with hands-free calling . and it also works just as well for joining an online class or work meeting. Not only is the design stylish . but it's also crafted with ease-of-use in mind. The lightweight build and swivel earcups gently slip on and off . while the adjustable headband . cushion and soft ear pads give you all-day comfort.