As one of its daily deals, PricePlunge offers the iHome Wireless Optical Mouse in Carbon Fiber, model no. IH-M186OC, or Red, model no. IH-M170ZR, for $3.99. Coupon code "SPRINGPLUNGE5P" cuts it to $3.79. With $1.99 for shipping, the lowest total price we could find by $4. It features a 1,600 dpi resolution, 2.4GHz frequency, and USB receiver. Deal ends today.