U disk hanging in the key chain why is easy to bad
Buy some good quality U disk, first select the use of black plastic profile U disk, if you choose a semi-finished U disk, often linked to the top of your key chain when the crystal easy to break. U disk if hanging in the key chain is relatively easy to damage, because: A, key chain is usually linked to the outside, easy to wind and rain, wear, impact, moisture and other external forces.
B, there is the U disk itself is not good quality. Especially some of the mini, the appearance of a particularly small U disk, are often small factory production, the quality itself is not very good.
C, key chain U disk, often friction with the metal, and clothes friction, and sometimes will produce static electricity, especially the metal case U disk, easy to breakdown inside the chip, leading to damage.
Therefore, U disk is still a little better protection measures. Hanging key chain does increase the instability.
Mainly vibration, vibration will cause the circuit loose or bad chip contact, there are often plug the stability will lead to bad U bad even if the storage chip is still a good bad circuit can not be used. Recommended if you want to use a long time to buy your point. If simply to buy a few more. Do not store useful information inside.