Bracelet type PDA (Personal Digital Assistant)

The bracelet type PDA comprises a body provided with a main control chip; the wearing part is used for fixing the body on the wrist; a screen panel mounted on the surface of the body; the protective shell is pivotally connected to the body; the first magnetic block is arranged on the protective shell; the second magnetic block is arranged on one side of the first magnetic block; the third magnetic block is arranged on the surface of the body; the movable magnetic block is movably arranged in the body; the magnetic poles of the first magnetic block and the third magnetic block are opposite and attract each other; when the protective shell is in the closed position, the first magnetic block and the third magnetic block are attracted; the magnetic poles of the second magnetic block and the movable magnetic block are opposite and repel each other, the movable magnetic block movably impacts the second magnetic block, the first magnetic block and the third magnetic block are separated, and the protective shell rota