Patent ID: 11956585
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The bluetooth earphone according to claim 6, wherein the bluetooth earphone further comprises:
a chip located at the earbud part and connected to the circuit board, and the circuit board further comprises:
a first low-frequency signal line, and
a second low-frequency signal line, wherein one end of the first low-frequency signal line is connected to the chip, the other end of the first low-frequency signal line extends to the first end part, the first low-frequency signal line is connected in series to a third choke inductor, and the earpiece module is connected to the first low-frequency signal line; and

one end of the second low-frequency signal line is connected to the chip, the other end of the second low-frequency signal line extends to the second end part, the second low-frequency signal line is connected in series to a fourth choke inductor, and the first microphone module is connected to the second low-frequency signal line.