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Smart Key V2.0 for Android Phone audio jack.
- Smart key only supports the phones with system above Android 4.0 (system of iPhone, Windows Phone, BlackBerry, etc. are not supportive for the moment)
- The most fashionable phone dust plug with earphone wire clip so it is convenient to carry
- Smart key software with one click, double click, thrice click and long press click function to set multiple phone features usage
- The most frequently used mobile phone spare part for clicking pictures, snap, recording, opening an app and so on
- The most natural wearable devices with smart look