Bnnwa Wireless Vertical Ergonomic Mouse 2.4G 3200DPI Black

• Amazon now offers the Bnnwa Wireless Vertical Ergonomic Mouse 2.4G 3200DPI in Black for $9.99 with promo code XZ6DRCC4.
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: If you often get wrist discomfort from using a regular mouse for long hours, try this vertical design—your hand naturally rests in an upright position without twisting your wrist. It supports both 2.4G and Bluetooth dual modes, allows switching between three devices with a button press, so you can easily switch between your office desktop and laptop without re-plugging the receiver. It automatically enters sleep mode after 8 minutes of inactivity to save power, and alerts you when the battery is running low.