Jakcom Smart Key K1 Quick Click Button Dustproof Plug Shortcut for Android 3.5mm

• 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

Note: It is only compatible with 3.5mm Audio jack of Android 4.0+ devices at the moment(not compatible with iOS/Window phones).