Silent mouse. The left and right buttons and wheels of the bluetooth mouse are silent, so you can use it at work, library, etc.
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DPI selectable Mouse has 3 DPI types of 800/1000/1200, and you can adjust the cursor speed according to your habits and scenes.
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Battery Operated Mouse The mouse is battery operated, it is split into one AA battery powered version and 2 AAA batteries, both are shipped randomly.
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