As one of its daily deals, Best Buy offers the Dynex Wireless Optical Mouse in Silver, model no. DX-WLM1401-SV, or Blue, model no. DX-WLM1401-BU, for $4.99 with free shipping. That's $2 under our February mention of different color, and the lowest total price we could find. It features a movement resolution of up to 1600 dpi and battery status indicator. Deal ends today.