Active Noise Cancelling (ANC) blocks external noise Transparency helps you stay aware of your surroundings while listening Advanced acoustic system delivers powerful sound with balanced tonality Up to 22 hours of listening time Auto On/Off when you unfold and fold your headphones Ergonomically designed for optimal comfort and extended wear Seamlessly integrated on-ear controls for music, phone calls, and voice capability Enhanced phone call performance and call handling Class 1 Bluetooth for extended range and fewer dropouts What's in the box Solo Pro Wireless Headphones Carrying case Lightning to USB-A charging cable Quick start guide Warranty card