Best Buy offers the Insignia Wireless Optical Mouse in Blue, model no. NS-PNM5003-BU, Silver, model no. NS-PNM5003-SV, Red, model no. NS-PNM5003-RD, or Black, model no. NS-PNM5003-BK, for $6.99 with free shipping. That's $6 off and the lowest total price we could find. It features a movement resolution of up to 1600 dpi and battery status indicator.