There are Huawei Watch GT2 Pro, Huawei p40, Huawei watch3.
Huawei mobile phone to charge the watch requires hardware support. If the hardware supports it, you only need to enter the Settings of Huawei mobile phone > Battery, turn on the wireless reverse charging switch, place the watch in the center of the back of the phone, and start charging.
Due to the material reasons of some mobile phone protective cases and the thickness of mobile phone protective cases, it may affect the recognition function of mobile phone wireless charger, and it is recommended that you remove the mobile phone protective case and try again when it cannot be charged.
Please check whether there are other foreign objects between the watch and the phone. If there are foreign objects, please remove them. Do not place metal or other magnetic substances between the watch and the mobile phone, wireless charging is to convert electrical energy into magnetic energy transmission to the watch, if the magnetic energy is interfered with will affect the charging.
Due to different chargers and charging environments, the time required for the watch to be fully charged may vary.
The mobile phone with reverse charging can charge the watch, and the watch must be with wireless charging in advance