With an open ecology, BluelOT is compatible with protocols from Bluetooth 4.0 to Bluetooth 5.1, and can access all Bluetooth Low Energy terminals. One line of code empowers any smart terminal that uses Bluetooth protocol from mobile phones, wristbands, watches, earphones, stereos, anti-lost devices, cars etc, so that every smart terminal can be located, tracked, and navigated in indoor and outdoor spaces. Based on precise positioning, BlueIOT realizes time and space perception and interaction between smart terminals and the world.