WAZA-AIR: Can I use the headphones while charging them? December 14, 2021 00:26 Updated Follow No.They cannot be used during charging. Related articles WAZA-AIR: Is it possible for me to replace the lithium-ion battery of the transmitter or receiver myself? WAZA-AIR: What kind of guitars can the transmitter (WL-T) be used with? RH-300: How do I replace the earpads? WAZA-AIR, WAZA-AIR BASS: How to Distinguish Between WAZA-AIR and WAZA-AIR BASS by the Exterior Design WAZA-AIR BASS: The bass guitar sound contains high-frequency noise.