What points are to be kept in mind by a salesperson while giving a sales presentation?

What points are to be kept in mind by a salesperson while giving a sales presentation?

The sales presentation should start with the briefing of the product by the salesperson, understanding the needs and wants of the customer and adjusting the presentation style according to the requirement of the customer. He should be very clear about what he wants to convey, only then will he be able to solve the customer related queries if any.His presentation should be vibrant, simple to comprehend and attractive enough to grab the attention of the audience. After completing the presentation session he should invite questions from the audience which will help them clarify their doubts or problems . He must be a good listener as well in order to be able to correctly identify the problems of the customer.