I think Huawei nova4 can connect headphones with a charging port.
Huawei nova4 does not have a headphone jack.
Huawei nova45G does not have a round headphone jack. Instead, it is integrated with the Type-C charging jack.
Huawei nova6 is the first flagship 5G phone in Huawei's nova series. In terms of chip specifications, Kirin 9905G chip adopts CortexA76 architecture and uses a combination of 2+2+4. The main frequency of large-core CPU reaches 2.86GHz, the main frequency of mid-core CPU is 2.36GHz, and the main frequency of small-core CPU is 1.95GHz. The GPU is Mali-G76MP16.