As one of its daily deals, Amazon offers Prime members the Kensington Pro Fit Mid-Size Right-handed Wireless Mouse in Black, model no. K72405US, for $11.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $8.28.) That's the lowest price we could find by $5 and a strong deal for such a mouse. It includes a nano receiver. Deal ends today.