Mi band is best gabjet for everyone it is strong and fit I am used this product smart watch iam ever seen this is best product to kids, teenagers, womens , bussniss man & others , it is water proof band un breakable it is best for bikers , raiders , drivers, etc. It is mainly use this product for college students or girl or boy everyone wear this product I am personaly recommended to our friends and family and u who were this review seeing please try the product and see . Mi band is most popular brand.