This is a singular smartphone that comes with Rollable Concept. The smartphone comes with an enormous display that expands from 6.7 inches to 7.4 inches with an OLED capacitive touchscreen. The resolution is 1080 x 2400 pixels and therefore the display is protected by Corning Gorilla Glass 3.
The OS of the device is Android 10.0 + ColorOS 7.2. The smartphone is powered by MediaTek MT6853V Dimensity 720 5G Octa-core processor while the GPU is Mali-G57 MC3.
The device is pack with 6 GB RAM and 128 GB internal storage. Oppo K7x consists of a quad-camera 48 MP (wide) + 8 MP (ultrawide) + 2 MP (macro) + 2 MP (depth) while on the front there's one 16 MP (wide) camera.
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The smartphone is out there in two colors: Blue and Black. The smartphone is fueled with a non-removable Li-Po 5000 mAh battery + Fast charging 30W, 100% in 65 min (advertised) + Reverse charging.
The sensors include Fingerprint (side-mounted), accelerometer, gyro, proximity, and compass. The dimension of the device is 162.2 x 75.1 x 9.1 mm and it weighs 194 grams.