I have thought about getting something like this for the cat in my life!
Right now on Amazon you can get this Bissell Pet Hair Eraser Handheld Vacuum, Corded for only $21.42.
The price is around $33 just about everywhere else.
Measures approximately 10 by 5 by 8-inch; 1-year limited warranty.
Dirt container; Multi-Level Filtration
Easy-grip handle; fingertip-access on/off switch; [...]