Yes, this phone supports wired headphones.
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It needs to be a headphone cable with lightning port, which replaces the 30pin connector that has been used for many years. In addition, Apple provides a connector with lightning port for 30pin conversion, so that the peripheral and cable using the 30pin connector can continue to be used. With the updated iterations of Apple devices, the 30pin connector has been completely withdrawn from the market and the lightning interface is fully used.
IPhone can use wired earphones. Apple supports both wired and wireless headphones.