Oppo has launched the Find N5, the world's thinnest foldable phone, at $2,499 Singapore dollars.The Find N5 is slimmer than any rival foldable phone when closed, measuring at 8.93mm.The phone is 4.21mm at its thinnest point when open and incorporates a 5,600mAh battery.The Find N5 is launching in Europe and Asia, but there won't be a US release for the product.