Asus Zenfone Max Pro (M2) ZB631KL comes with Android 8.1 (Oreo) Os, 6.0 inches IPS LCD capacitive touchscreen, 16M colors and 1080 x 2280 pixels resolution + 420 ppi density, It has Black color, Dual SIM (Nano-SIM, dual stand-by) Slot supports 2G, 3G and 4G LTE network.
The Smartphone has Dual 13 MP, f/2.2 + 5MP or 16 MP, f/2.0, depth sensor (6 GB RAM model only) autofocus rear camera having geo-tagging, touch focus, face detection features and 16MP front camera for selfie experience.
Asus Zenfone Max Pro (M2) ZB631KL has Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) processor, Qualcomm SDM660 Snapdragon 660 (14 nm) Chipset and Adreno 512 GPU.
It has 4GB / 6GB RAM and 64GB / 128GB internal Storage microSD, up to 512 GB (dedicated slot) card slot. It brings Bluetooth v5.0, A2DP, LE + 2.0, Type-C 1.0 reversible connector, USB On-The-Go and 3.5 mm Audio jack.
Here is Li-Po 5000 mAh non-removable battery with fast charging but no wireless charger support.
The Smartphone has Fingerprint (rear-mounted), accelerometer, proximity, compass and gyroscope sensors.