Using the Mic button and dropdown, you can select your audio devices, including your speaker volume. In most cases, Teams selects this correctly, but if you want to switch to a Bluetooth or USB headset, for instance, choose the right device from the Speaker and Microphone section of the right pane.
Warp is the combination of an Android app and a browser extension, which means it'll only be helpful if you use a Chrome-based browser capable of installing the extension - but that does make it compatible with macOS, Windows, and Linux, so it's more universal than AirDrop.
Building APIs is so simple. Caveat, it's not. Actually, working with tools with no security, you've got a consumer and an API service, you can pretty much get that up and running on your laptop in two or three minutes with some modern frameworks. Then, authentication and authorization comes in. You need a way to model this.
