Bluetooth Version: Bluetooth 4.0 Low Energy. - Compatible Devices: iPhone 6 / 6 Plus / 6s / 6s Plus / 5 / 5S / 5C, iPad Mini, iTouch 5, iPad 3 / 4, iPad Air and Andriod system with Bluetooth. - Android system with bluetooth 4.0 Smartphone (Andriod 4.3 version and up-grade version).
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