1. Small - You don't even think where it should be, it can be anywhere.
2. Lightweight - The center of gravity is located towards the grip for easy, lightweight cleaning everywhere.
3. Portable - You don't want to heft around a monster vacuum that will slow you down and make the already aggravating job of cleaning the car worse.
4. Can Go Anywhere - Pretty much long cord ensure that it can go anywhere you need it to and still work as you intend for it to.
5. Great for Quick Cleanups - Sometimes you just need to spot-clean or take care of a single mess in a small area. Instead of lugging out your canister vacuum, let the little guy do the job for you.
6. Comes with useful tools - Can help to clean dog hair, crumbs, carpet, gap!