I have this one! It mixes super fast and I have been using it every day for about 2 months now and still haven't had to replace the batteries. It comes with a nice stand too!

https://www.amazon.com/Zulay-Milk-Frother-Handheld-Operated/dp/B074ZL35DH

Hands down the best one I have owned!

this is the one i got! :)

That's tough because it uses the pumpkin spice sauce that you can't buy from them.

It starts with the vanilla sweet cream, which is made with 1 liter of heavy cream, 350ml of vanilla, and 600ml of 2%. I would definitely scale this down, as this is made in a 2L pitcher and only keeps for 48 hours.

Starbucks has special pitchers with that have a disc that "froths" instead of plain blends, so you might be better off with a hand frothing attachment than a blender. Something like this

You take 150ML of that vanilla sweet cream and add 1oz of the pumpkin spice sauce and froth it.

Now since you can't buy the syrup, there's a copycat recipe I've heard good things about here