At less than 250 grams, the DJI Mini 2 is one of the lightest drones available. It offers 4k video performance, a 3-axis gimbal for smooth video, and up 30 minutes of flight time. It comes in a sturdy case.
This drone requires pairing with a smartphone to transmit and record video. You must download the DJI Fly app. You can find the app here: https://www.dji.com/mini-2/downloads
You'll need ios 11.0 or higher OR android 6.0 or higher. Most modern smartphones are compatible, but for best performance a newer smartphone is preferred.