Most sales conferences include training by the marketing team - primarily on how to sell the new and upcoming products but sometimes review of the old ones as well.
Usually, every marketer in your company will pitch to the sales team - and your battle (and the success of your product line) depends on your outshining the rest so that YOUR pitch sticks in their minds when they return to the field.
How do you win this battle? First of all, do something to get their attention before diving into dry technical details. Pass out the latest gadget from your last trade show, tell a joke, or put up a funny Powerpoint slide to break the ice.