Newegg offers the Razer Ouroboros Ambidextrous Gaming Mouse, model no. RZ01-00770300-R331, bundled with the Razer Vespula Dual-Sided Gaming Mouse Mat, model no. RZ02-00320100-R3U1, for $119.99 with free shipping. That's the lowest total price we could find by $39 for these items purchased separately. The Razer Ouroboros features fully customizable ergonomics, allowing the user to configure the mouse along with the buttons. The mat features a gel-filled wrist rest and provides an enhanced tracking surface for optimal response time.