B010TY3LZ2 Naztech i9 Wireless Active Noise Cancelling 4.1 Bluetooth Headphones with in-line Microphone Up to 30 hrs Playtime for iPhones, Smartphones, Tablets, Computers, TV and Work/Airplane Adapter Included

Bluetooth V4.1
High-definition sound-40mm neodymium drivers
Superior battery life- built-in rechargeable li-polymer battery
Continues audio even after battery Depletes
Foldable for portability and travel case for storage