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iTag é um tipo de produto BLE que com base na versão mais recente Bluetooth 4.0.

iTag is a kind of Bluetooth Low-energy product which based on the newest Bluetooth 4.0 version. It can chain user’s easy-lost & valuable belongings (such as keys, handbags etc.), kids or pets together with smart phones through specified App software within a setting Bluetooth connection distance. In the effective distance it can realize the functions of anti-lost, looking for smart phones, self-portrait and voice recording.

iTag use CR2032 Lithium Coin Battery which is easy to get from markets, and it works for almost half a year.