The beautifully crafted over-ear Harman Kardon FLY ANC Headphones are precision-engineered, optimized for travel, and feature 40mm drivers that deliver rich, premium sound quality. No matter where your day takes you, you can enjoy beautiful music with these comfortable headphones, which feature a leather headband and aluminum ear cups for style, comfort, and durability. With up to 20 hours of battery life, you can listen disturbance-free for hours. And if you need a quick charge, 15 minutes of charging provides up to 2.5 hours of playtime. The advanced noise cancellation tech allows you to enjoy your music without distractions. With Amazon Alexa and Google Assistant built-in, you can unleash the power of voice assistants with just a few simple commands to control your everyday life tasks.