Is it safe to have a USB stick under this situation?

Question

I found this kind of magnet key ring:

http://www.amazon.com/gp/product/B00IEYF6EO/ref=ox_sc_act_title_3?ie=UTF8&psc=1&smid=A2K9Y6914G7CDO

Is it safe to attach one end to an USB stick?

Answer 1

Yes, the magnetic field should not affect anything to the USB drive.