The present invention discloses a connector, including: a first interface, a second interface, and a signal boost circuit, where at least one of the first interface and the second interface includes a power supply contact head, and the power supply contact head is configured to power the signal boost circuit; and a casing, where the signal boost circuit is arranged inside the casing and concatenated between the first interface and the second interface, and the signal boost circuit performs signal amplification processing on a differential signal received by the first interface and outputs the signal over the second interface, and the first interface and the second interface are arranged on different surfaces outside the casing. Further, the present invention discloses an electronic device.