As one of its daily deals, CowBoom offers the Razer Battlefield 4 Taipan Optical Gaming Mouse, model no. RZ01-00780200-R3U1, for $29.99 plus $5 for shipping. That's the lowest total price we could find by $3, although we saw it for $5 less a month ago. It features ambidextrous design, an 8200 dpi 4G dual sensor system, scroll wheel, and nine programmable buttons. Deal ends today.