UnitPriceSpecification - schema.org

gistfile1.txt

<script type="application/ld+json">
{
    "@context" : "http://schema.org",
    "@type" : "Product",
    "description" : "Based on one of the most iconic phones of all time, the HTC One M8s comes jam-packed with must-have features: 5” full HD screen, 5MP front camera, 13MP main camera, ample storage, HTC Boomsound™ and Android Lollipop.",
    "model" : "One M8s",
    "brand" : "HTC",
    "name" : "HTC One M8s",
    "offers" : [
        {
            "@type" : "Offer",
            "availability" : "http://schema.org/InStock",
            "priceSpecification":
            {
                "@type" : "UnitPriceSpecification",
                "billingIncrement":"1",
                "description" : "1GB and 600 Minutes",
            	"price" : "26.00",
           		"priceCurrency" : "GBP"
            }       
        }
    ]
}
</script>