Thank you for choosing the smart anti-lost products iTag based on Bluetooth. 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 & valueble 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.
"Continued use of GPS running in the background can dramatically decrease battery life."