I'm not an expert, but it's most likely the material that they're made from is one of the differences. Bands tend to be made of rubber and other elasticated materials whereas bracelets tend to be made from metal. Also the term band can be used for items used on other parts of the body, for example, headband, armband, waistband and sweatband. Bracelets are only used for wrists. Finally, the term band is sometimes also used instead of ring. So we would say wedding band instead of wedding ring.

Thanks for your help, shemae. I got it.

Bands are mostly made of rubber with written words on it, it could also be made out of cloth or thread.. While bracelets on the other hand are made of precious metals or the nonexpensive ones. It could be silver, gold, platinum, copper. It is ornamented with either gems, stones, pearls and other designs.