An electronic device comprising: • a microphone component configured to receive a sound wave, wherein the microphone component comprises a microphone body , a support member , and a flexible circuit board , the support member is fixed into a shell , the flexible circuit board comprises a connection piece and an extension piece that are interconnected as a whole, the connection piece is fixedly connected to the microphone body and is accommodated in the support member together with the microphone body , and the extension piece is located outside the support member and configured to electrically connect to a signal processing apparatus of the electronic device; • the shell , wherein the microphone component is fixed to the shell, ∘ wherein a sidewall of the shell is provided with a through-hole , and the sidewall comprises an inner wall surface and an outer wall surface , ∘ wherein a groove is provided on the outer wall surface of the sidewall and the groove is connected to an inside of the shell through the through hole , ∘ wherein the microphone component is provided opposite to the through-hole and is in contact with the inner wall surface , wherein the support member is made of an elastic material, so that the support member fits to the inner wall surface after being squeezed; and • a waterproof film accommodated in the groove , and the waterproof film is provided opposite to the through-hole , so that a sound wave from the outside reaches the microphone component via vibrations of the waterproof film , wherein a thickness of the waterproof film is not greater than a depth of the groove. • a microphone component configured to receive a sound wave, wherein the microphone component comprises a microphone body , a support member , and a flexible circuit board , the support member is fixed into a shell , the flexible circuit board comprises a connection piece and an extension piece that are interconnected as a whole, the connection piece is fixedly connected to the microphone body and is accommodated in the support member together with the microphone body , and the extension piece is located outside the support member and configured to electrically connect to a signal processing apparatus of the electronic device; • the shell , wherein the microphone component is fixed to the shell, ∘ wherein a sidewall of the shell is provided with a through-hole , and the sidewall comprises an inner wall surface and an outer wall surface , ∘ wherein a groove is provided on the outer wall surface of the sidewall and the groove is connected to an inside of the shell through the through hole , ∘ wherein the microphone component is provided opposite to the through-hole and is in contact with the inner wall surface , wherein the support member is made of an elastic material, so that the support member fits to the inner wall surface after being squeezed; and ∘ wherein a sidewall of the shell is provided with a through-hole , and the sidewall comprises an inner wall surface and an outer wall surface , ∘ wherein a groove is provided on the outer wall surface of the sidewall and the groove is connected to an inside of the shell through the through hole , ∘ wherein the microphone component is provided opposite to the through-hole and is in contact with the inner wall surface , wherein the support member is made of an elastic material, so that the support member fits to the inner wall surface after being squeezed; and • a waterproof film accommodated in the groove , and the waterproof film is provided opposite to the through-hole , so that a sound wave from the outside reaches the microphone component via vibrations of the waterproof film , wherein a thickness of the waterproof film is not greater than a depth of the groove. <EOS>