A mobile phone includes an earphone and a main body. The earphone includes a first universal serial bus (USB) interface, a first USB audio module connected to the first USB interface, a battery module connected to the first USB interface, a speaker module connected to the first USB audio module, a first BLUETOOTH module connected to the speaker module and the battery module, a microphone module connected to the first BLUETOOTH module, and a first antenna module connected to the first BLUETOOTH module. The main body includes a second USB interface, a second USB audio module connected to the USB interface, a control module connected to the second USB audio module, a detecting module connected to the second USB interface and the control module, a second BLUETOOTH module connected to the control module, and a second antenna module connected to the second BLUETOOTH module.