<https://www.startechstore.com/product-category/mobiles-and-tablets/mobiles/oppo/product-8442>
<http://schema.org/description>
"4GB RAM | 64GB internal memory expandable up to 256GB Android v9.0 based on Color OS 6.1 operating system 2.0GHz Qualcomm Snapdragon 665 octa-core processor, Adreno 610 GPU 5,000mAh lithium-polymer battery with reverse charging supported 6.5-inch display with 1600 x 720 pixels resolution and waterdrop notch 12+8+2+2MP rear camera with 119 degree ultra wide, ultra night mode, video EIS anti-shake, portrait | 8MP AI front camera."
<https://www.startechstore.com/product-category/mobiles-and-tablets/mobiles/oppo/>