USP

noun
1
a feature of a product or service that makes it different from all the others that are available and is a reason for people to choose it (the abbreviation for ‘unique selling proposition’ or ‘unique selling point’)
ویژگی منحصر به فرد, نقطه فروش منحصربه‌فرد, برتری ویژه, ویژگی متمایز