Acer Ergonomic 57° Vertical Wireless Mouse Adjustable DPI Rechargeable for Medium to Large Hands

• Amazon now offers the Acer 57° Vertical Wireless Ergonomic Mouse with adjustable DPI and rechargeable battery, now $15.99 (originally $27.99),  promo code M0520FFF required.
• 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 your wrists feel sore after long hours of use, this vertical mouse is worth a try. Your palm rests naturally on it, so your wrist doesn't have to twist. The 57-degree tilt is quite friendly for anyone who spends long hours at the computer. It may take a week or two to get used to, but once you do, your wrist will feel much more relaxed. DPI is adjustable in three levels, and a full charge lasts about a month. If you forget to charge it, just plug it in and keep using it.