Oppo R5 (R8106) can be purchased in the USA for the US $598 through Amazon; however, the same handset is listed in the UK for £296.99.
The main highlight of Oppo R5 (R8106) is, it comes with ColorOS 2.0, based on the Android 4.4 operating system. It further includes Qualcomm Snapdragon 615 Octa-Core (1.5GHz) processor, 5-megapixel front-facing 83 degrees wide-angle lens, 13 MP Sony Exmor IMX214 BSI sensor Camera, and 5.2-inches screen.
The R5 measures 5.9 x 0.2 x 2.9 inches, and the weight is 5.4 ounces. It is also available in the Philippines for Php 21,990 and in India at Rs. 29,990.