Lenovo offers its Lenovo N3903A Wireless Mouse in Metal, model no. 57Y6596, for $39.99. Coupon code “USPC11AG36596” cuts it to $12.99. With free shipping, that’s the lowest total price we could find by $33, although we saw it in coffee (the color, not actually in a cup of coffee) for $1 less last month. Sales tax is added where applicable. This mouse features a 1,200 dpi resolution, USB transmitter, and more. Two AAA batteries are required, but not included.

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