Golzer BANC-50 Bluetooth 4.1 High Fidelity Active Noise Cancelling Wireless OverEar Headphones with apt-x Active Noise-Cancellation rate: 85%, Perfect for Air Travel. Also features Built-in Mic and wired mode. Includes Hard Travel Case. Apt-x coding delivers full "wired" audio quality over Bluetooth Battery life: 30hrs Noise Cancelling only, 15 hours Bluetooth only, 12 Hours BT + NC Rechargeable battery - Charge time 2-3hrs Includes: 3.5mm Audio Cable, USB charging cable, 1/4" adapter, Hard EVA carry case