When we do outdoor sports, we always carry some necessary personal belongs ,such as wallet ,bag, smartphone and so on .For example, when we go swimming with friends, we are always worried about these personal belongs security. So almost every sport place have lockers for customers using. We just need carry our small padlock and it did solve our question . But next boring questions is also coming . If the padlock is a traditional key padlock,most of person will forget or lost the key because of careless, looking for the lost item is a hard work . Even finally, we have to breakdown padlock . If you carry a bluetooth lock ,it is more convenient than key lock, but we have to operated it through using smartphone . So ,how do you deal with the mobile phone? It is a question. How terrible ! Don't worry.This portable security tool can help us - Fipilock -can help us avoid the above problem. No computer/smartphone is need ,without key, You finger is unique security key and quickly 1 second unlock/lock. Never worried about and you just enjoy your time .