The iPad 10th Gen comes with a 20W USB-C Power Adapter in the box. However, the hardware actually supports up to ~29W peak charging. If you use a 30W or higher MacBook charger (USB-PD compatible), you can top up the battery slightly faster than with the included brick, though it does not support the "Fast Charge" (0-50% in 30m) tech found in the M5 Pros.

Yes. Unlike the older 9th Gen which had both speakers at the bottom, the 10th Gen has Landscape Stereo Speakers (one on each short side). When you turn the iPad horizontally to watch Netflix or YouTube, the audio separates into left and right channels, providing a much wider and more immersive soundstage for media consumption.

Yes, the Wi-Fi + Cellular models support 5G (sub-6 GHz). 

It features Landscape Stereo Speakers. When you hold the iPad horizontally to watch a movie, you get true left and right audio, providing a much more immersive experience than the older 9th Gen model.

The iPad 10th Gen was the first to move the 12MP Ultra-Wide camera to the long edge. This makes video calls (Zoom, Google Meet) look much more natural when the iPad is in landscape mode or attached to a keyboard, as you are looking directly at the camera rather than to the side.