Cowin E-7 Active Noise Cancelling Headphones by Staff E7 Active Noise Cancelling headphones are the best-performing around-ear headphones from COWIN. With a 30 hours playtime at Bluetooth mode. Enjoy music all the time. They give you crisp, powerful sound–and quiet that lets you hear you... 3 2,205 $69.99 via Amazon Facebook Pinterest Save3 Check it out