Huawei's 40-watt fast charge can charge wireless headphones without damaging them. Because Huawei's 40 watt fast charge in addition to supporting the 22.5 watts and 40 watts super fast charge of Huawei charging protocol, but also support qc2.0,qc3.0 and other charging protocols, is compatible with 5v2a,5v1a and other low-rate charging mode, can meet the charging needs of wireless headphones, can automatically adjust without damaging wireless headphones.