The specification of the device have surfaced in an online listing which features a 5.99-inch FHD+ screen with 19:9 aspect ratio and a notch, Snapdragon 845 SoC with support for liquid cooling and 6GB RAM, 12MP+ 5MP dual rear cameras, 20MP front camera, fingerprint sensor on the back and a 4000mAh battery with fast charging.
Xiaomi pocophone f1

Xiaomi POCOPHONE F1 Rumored Specifications

Display: 5.99-inch (2246 × 1080 pixels) Full HD+ 19:9 2.5D curved glass display
Chipset: Octa-Core Qualcomm Snapdragon 845 Mobile Platform with Adreno 630 GPU
Storage: 6GB LPDDR4x RAM, 64GB / 128GB storage, expandable memory with microSD
Operating System: Android 8.1 (Oreo) with MIUI 9.0
SIM Slot: Hybrid Dual SIM (nano + nano / microSD)
Camera: 12MP rear camera with dual LED Flash, 1.4μm pixel size, secondary 5MP camera
20MP front-facing camera with LED flash
Sensor: Fingerprint sensor
3.5mm audio jack
Network: 4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz), Bluetooth 5, GPS + GLONASS, USB Type-C
Battery: 4000mAh battery with Qualcomm Quick Charge 3.0 fast charging
Xiaomi Pocophone F1 is rumored to be priced at $497.
NB: This information with a pitch of salt until when launched.