Lenovo.com offers its Lenovo Wireless Optical Mouse N30B, model no. 55Y9360, for $29.99 with free shipping. Coupon code “USP1N19360” cuts it to $10.50. That’s the lowest total price we could find by $9. Sales tax is added where applicable. Features include 1,000 dpi sensitivity, 12-foot range, 3-month battery life, and more.

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