Environment-friendly type bluetooth answering device capable of being attracted on the backside of mobile phone

The invention provides an environment-friendly type bluetooth answering device capable of being attracted on the backside of a mobile phone, and belongs to the technical field of communication equipment. The device comprises a mobile phone rear cover, a bluetooth receiver body, and an independent ear hook, the bluetooth receiver body is integrally in the shape of a thin plate, the uppermost part of the bluetooth receiver body is provided with a receiver, the lowermost part of the bluetooth receiver body is provided with a microphone, a cylindrical magnet, an upper counterbore magnet, a lower counterbore magnet, a rechargeable cell, and a circuit board are arranged between the receiver and the microphone, a charging interface is arranged beside the microphone, the mobile phone rear cover is provided with a thin iron sheet, the bluetooth receiver body can be attracted on the surface of the mobile phone rear cover, the independent ear hook is provided with a protruding iron member and an ear hook iron member, an