SELF-POWERED WEARABLE ELECTRONIC DEVICE

A self-powered wearable electronic device comprises a rechargeable battery and an automatic power generation device adapted to automatically charge the rechargeable battery. The automatic power generation device comprises a swing lump, an automatic power generation gear driving device, and a micro generator. The micro generator is connected to the rechargeable battery and comprises a permanent magnet rotor, a stator, and a coil which is set on the stator. The permanent magnet rotor comprises a driving gear. The swing lump is fixed with an automatic power generation gear. The automatic power generation gear is meshed with the automatic power generation gear driving device, and the automatic power generation gear driving device is meshed with the driving gear of the permanent magnet rotor.