Aukey Wireless Headphones, Black, EP-B52 lets you enjoy a rich audio experience. It is an over-the-head, headphone that keeps your head comfortable while you enjoy music. It gives an eighteen hour-long playback time. It features Bluetooth 4.1 that connects to two devices. This allows you to manage audio playbacks and calls with volume control options on two separate devices. It has a built-in microphone as well to make your call experience better. It is also compatible with PC music players and other high-quality sound gaming systems.