Block out the noise of the outside world and rock out while wearing these Revo Active Noise Cancelling Bluetooth (R) Headphones! Featuring a wireless design, these audio accessories include buttons to manage phone services, a Bluetooth operating distance of up to 30 feet and a drawstring pouch and gift box. The charge time is approximately 2 hours; playback time is approximately 14 hours. Auxiliary 3.5mm cable included for optional, non-Bluetooth plug-in capability.