Model Xiaomi Poco M4 Pro | Built-in Memory 256 GB | RAM 8GB | Black | 3G | LTE | OS Android 11.0 | Screen 6.43" | 1080 x 2400 | AMOLED | CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Memory Card Micro SDXC | Dual SIM | 1xUSB type