WAZA-AIR: Is it possible for me to replace the headband myself? December 14, 2021 00:27 Updated Follow No.If you need to have the headband replaced, contact your dealer or a service center to have the unit repaired. Related articles WAZA-AIR: Can I use the headphones while charging them? WL-50: Expected Battery Life Under Continuous Use of Fully Charged KATANA-AIR, KATANA-AIR EX: Can the transmitter (WL-T) be commonly used for the WL-series and WAZA-AIR? WAZA-AIR: Can I connect the CHARGE port to a computer via USB and use it to transfer audio? WAZA-AIR: How should I make settings when using an external effect pedal?