Using the latest bluetooth low energy technology, through the software installed on the smartphone app to items (files, baggage, keys, purse, backpack, briefcase, passport, remote controls, tablet, etc.) of the positioning management, at the same time, it can make children where there are a lot of people is not easy to get lost, also can realize positioning to the position of the pet. Bluetooth can sticker when triggered flash and sound. To achieve the purpose of locating the missed Stickers more accurately, the application will continue to use GPS in the background. However,the continued use of GPS running in the background can dramatically decrease battery life.