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Q: Will it pick up beads?

depends on big and heavy they are. small beads - yes. i use this mainly to pick up dust and crumbs from my keyboard ... the suction is not that great.

Q: Will it work on sewing machines

I would think it would work just fine on sewing machines. it does take a few seconds for it to come up to speed, but once there it pulls pretty well.

Q: Will it work for playstation 4

This little (5" x 7") Mini Portable Keyboard Vacuum Cleaner by HONK is more powerful than you might think. It features include a click on, click off switch, two kinds of nozzles-including a brush, a detachable easy to clean foam filter and it recharges by a USB connection. I use it once a week on my keyboards and on other surfaces. It would be perfect for a PlayStation 4.