Specifications : 

Operating System: Android 9.0 (Pie) with Oxygen OS 9
Dimensions: 162.6 x 76 x 8.8mm, Weight: 206g
SIM: Dual Nano-SIM
Colors: Mirror Grey, Almond, Nebula Blue
Processor: Qualcomm Snapdragon 855 (7nm), Octa-core CPU, Adreno 640 GPU
Display: 6.7-inch Fluid AMOLED, 1440 x 3120 pixels, 90Hz refresh rate, Corning Gorilla Glass 6
Memory: 128GB/256GB storage, 6GB/8GB/12GB RAM (varies)
Camera: Triple rear (48MP main + 16MP ultrawide + 8MP telephoto), 16MP front pop-up camera
Connectivity: Wi-Fi, Bluetooth 5.0, GPS, NFC, USB Type-C
Features: In-display fingerprint sensor, Accelerometer, Compass, Gyro, Proximity sensor, Face unlock
Battery: 4000mAh with 30W Warp Charge fast charging
Extras: Dual-band A-GPS, GLONASS, Active noise cancellation, Dirac HD sound, Document viewer, Photo/video editor

OnePlus 7 PRO features:

Looks Cool: It’s slim, light, and comes in cool colors like grey, almond, or blue.
Really Fast: Powered by a Snapdragon chip, it runs smooth and quick.
Awesome Screen: Big and colorful, perfect for watching stuff or playing games.
Lots of Room: Choose how much space you need for all your stuff.
Amazing Photos: Take great shots with its cool cameras.
Stay Connected: Wi-Fi, Bluetooth, GPS - it’s got all you need.
Handy Features: Unlock it with your fingerprint and charge it up fast.
Long Battery Life: Keeps you going all day, and charges up in a snap.