4inch IPS screen, 480x800 hardware resolution, resistive touch control, 3.5 mm audio jack, supports HDMI audio output
Compatible and Direct-connect with any revision of Raspberry Pi (except the Pi 1 model B or Pi Zero, which requires an HDMI cable)
Also works as a computer monitor, in this case, touch panel is unavailable and HDMI cable is required
Drivers provided (works with your own Raspbian/Ubuntu/Kali/Retropie)
HDMI interface for displaying, no I/Os required (however, the touch panel still needs I/Os)