| 摘要 |
A waterproof computer mouse includes an upper housing, a lower housing, a first waterproof ring, a second waterproof ring, a roller and a circuit board. The upper housing has an upper tubular portion downwardly extended therefrom in a through manner. The lower housing has a lower tubular portion upwardly extended therefrom through a bottom surface thereof. The upper tubular portion connects with the lower tubular portion to form a roller compartment therein. The first waterproof ring is disposed between a bottom edge of the upper housing and a top edge of the lower housing. The second waterproof ring is disposed between a bottom edge of the upper tubular portion and a top edge of the lower tubular portion. The roller is rotatably disposed in the roller compartment formed by the upper tubular portion and the lower tubular portion. The circuit board is disposed on the lower housing.
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