Bluetooth® Headphones by AKG® - Associated Accessories Inspirational AKG-quality sound Bluetooth® 5.0-enabled connectivity Lightweight, on-ear design for long-lasting comfort Ear-cup-mounted controls for volume and remote functions to easily manage playback features 3D-axis, fold-flat mechanism for easy storage and safe transport in carrying case 34 hours of playback time Less than 2-hour charge time Charge protection circuit – prevents charging outside of temperature range Package includes headphones, hard-sided carrying case and charging cable