In the box, you get the Logitech G Yeti GX with attached mount, a base, ⅜” to ⅝” adapter for a mic arm, a USB-A to USB-C cable, the documentation and a Streamlabs Ultra redeem code.
If you want to mount one to a microphone arm, you'll need to consider your specific arm's weight limits before connecting a Yeti to it. You'll also definitely want to consider using an arm ...
When adjusting your arm, take your microphone's style of address into account. Side-address microphones, like the Blue Yeti, work best when you're speaking into one side, while top address ...