Liquid Retina display. 
21.08 cm / 8.3-inch (diagonal) LED-backlit Multi-Touch display with IPS technology.
A15 Bionic chip, 6-core CPU with 2 performance cores and 4 efficiency cores, 5-core GPU, 16-core Neural Engine.
12MP Wide camera, ƒ/1.8 aperture. Digital zoom up to 5x.
4K video recording at 24 fps, 25 fps, 30 fps or 60 fps.
1080p HD video recording at 25 fps, 30 fps or 60 fps.
12MP Ultra Wide front camera, 122° field of view, ƒ/2.4 aperture.
FaceTime video, Centre Stage.
FaceTime audio.
iPad to any FaceTime-enabled device over Wi-Fi or cellular.
Landscape stereo speakers.
Dual microphones for calls, video recording and audio recording.
Nano-SIM, eSIM.
Touch ID.
Built-in 19.3-watt-hour rechargeable lithium–polymer battery.
Up to 10 hours of surfing the web on Wi-Fi or watching video.
Up to 9 hours of surfng the web using a cellular data network.

In the Box iPad mini, USB-C Charge Cable (1 metre),20W USB-C Power Adapter.