Being someone who enjoys maintaining my electronics I can appreciate kits like this as they offer a good amount of accessories/tools to get started.

This particular kit is a collection of cleaning items that are best for small electronic devices such as earphones, cellphones, flashlights, etc. I even used it to remove corrosion in the battery compartment for a weather station sensor I had outdoors.

Included in the kit are "cleaning putty" cubes that are excellent at collecting dirt from places it would otherwise be difficult to remove (e.g. charging ports).

You can also get round brushes with soft bristles, wide cleaning brushes, tweezers, and microfiber cloths.

You also get two wet and dry wipes in the kit which is a shame as these can be very handy and it would have been nice to have included more in the kit.

But in my opinion, the best inclusion in this kit are the fine-tipped cleaning swabs that look like toothpicks with cotton swabs on the end (much thinner than traditional cleaning swabs). You get 100 of these and they are double sided. These can get into areas where other cleaning tools might not be able to, and since they're absorbent, you can even dip them in isopropyl alcohol to improve their cleaning ability.

Nothing in this kit is particularly expensive to buy for yourself, and at some point I have to replenish these items as they get used or worn out.