Estone 1PC Klick Quick Button Dustproof Plug For Andriod Smartphone 3.5mm Jack

100% brand new and high quality
For Android OS devices like smartphone, tablet pc(not compatible with Android 2.3 OS at the moment)
No complex ''unlock~ home~ apps~ open an app'' any more;
Just Press and directly open an app in a convenient and fast way on the locked screen Press button, a smart and cool gadget designed for customizing shortcuts;
Quite easy and simple to use;
Just plug into the 3.5mm earphone jack, set your own shortcuts in a second;
And then enjoy your Android phone or tablet pc freewheelingly
Size:15.5x 5mm(max)
Usage: a Press button, also an earphone plug
Features:easy and simple to use, set any shortcut you want
Compatibility Android 4.0 or above cellphones and tablet PC
Quantity:1pc
Sumsung:Due to the headphone jack is different, a small number of overseas model (Euro/Korean/Japan mobile phone model) may not available
Software download address: www.ikeyandroid.com
Support model