Hybrid noise cancellation reduces up to 98% of external noise Up to 50 hours of battery life Protein leather earpads Approx. 3-4 hours charging time for a full charge Built-in microphone for wireless phone or video calls Multifunction button for volume and call management (button only works with wireless operation) Can also be used with the included cable to save battery Twin Pairing enables two Bluetooth devices to be connected at the same time Includes: 1.0 m audio cable (3.5 mm male - 3.5 mm male); 0.3 m USB charging cable (Type-A - Type Micro-B); 3.5 mm - 6.3 mm adapter; flight adapter; hard shell carry case