Staples trimmed its price on the Microsoft Explorer Touch Mouse in Black, model no. U5K-00001, to $9.99. Plus, Staples Rewards members bag free shipping. (Not a member? It's free to sign up; otherwise, shipping is $9.95. In-store pickup is also available.) That's $2 under our mention from two weeks ago and the lowest total price we could find by $7. This wireless mouse features 1-touch scrolling, BlueTrack technology, five customizable buttons, and up to an 18-month battery life. Deal ends January 18.

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